Term
What artery supplies the SA node |
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Definition
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Term
What artery supplies the AV node |
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Definition
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Term
What artery supplies the inferior wall |
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Definition
Posterior Descending branch of Right coronary in 80-90% of people (right dominant) 10-20% of people have posterior descending branch of Circumflex |
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Term
What artery supplies the right ventricle |
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Definition
Acute marginal branch of the right coronary |
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Term
What artery supplies the posterior left ventricle |
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Definition
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Term
What artery supplies the anterior wall? |
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Definition
Left anterior descending branch of the left main |
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Term
What chamber of the heart is most posterior? |
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Definition
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Term
What is mean arterial pressure equal to? (two different formulas) |
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Definition
MAP = COxTPR MAP = 2/3diastolic+1/3 systolic |
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Term
What is the Fick Principle? |
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Definition
CO = O2 consumption/(arterial O2-venous O2) |
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Term
Effect of each of the following on contractility: Catecholamines Intracellular calcium Intracellular sodium pH Hypoxia |
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Definition
Catecholamines: increase INtracellular calcium INcreases INtracellular sodium INcreases LOW pH LOWers LOW O2 LOWers |
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Term
What is a normal ejection fraction? |
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Definition
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Term
Decrease in ejection fraction = systolic or diastolic HF? |
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Definition
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Term
How does resistance to flow relate to viscosity, length, and vessel radius |
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Definition
Resistance = viscosity*length/(radius^4) |
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Term
At what point in the cardiac cycle is the heart consuming the most oxygen? |
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Definition
During isovolumetric contraction |
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Term
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Definition
Increased preload like in mitral regurg or CHF Normal in kids and pregnant women |
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Term
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Definition
Increased atrial pressure from pushing into stiff hypertrophied ventricle |
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Term
What is the order of the components of the jugular venous pulse? |
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Definition
A wave C wave X descent V wave Y descent |
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Term
What does the A wave correspond to? |
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Definition
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Term
What does the C wave correspond to? |
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Definition
Right ventricular contraction causing the tricuspid valve to bulge into the right atrium |
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Term
What does the X descent correspond to? |
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Definition
atrial relaxation and the downward displacement of tricuspid during ventricular contraction |
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Term
What does the Y descent correspond to? |
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Definition
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Term
Conditions associated with wide splitting of the 2nd heart sound? |
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Definition
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Term
Conditions associated with fixed splitting of the 2nd heart sound |
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Definition
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Term
Conditions associated with paradoxical splitting of the 2nd heart sound? |
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Definition
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Term
Name the 4 heart auscultation areas and their locations starting from the right most |
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Definition
APT M Aortic = Right parasternal 2nd intercostal space Pulmonic = Left parasternal 2nd intercostal space Tricuspid = Left parasternal 5th intercostal space Mitral = Left mid clavicular 6th intercostal space |
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Term
What mumurs are heard best at the aortic area? |
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Definition
SYSTOLIC Aortic Stensosis Flow Murmur Aortic Valve Sclerosis |
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Term
What murmurs are heard best at the pulmonic area? |
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Definition
SYSTOLIC Pulmonic Stenosis Flow murmur (e.g. ASD) |
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Term
What murmurs are heard best at the tricuspid area? |
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Definition
SYSTOLIC Tricuspid regurg VSD
DIASTOLIC Tricuspid stenosis ASD |
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Term
What murmurs are heard best at the Mitral area? |
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Definition
SYSTOLIC Mitral regurg
DIASTOLIC Mitral stenosis |
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Term
What murmurs are heard beast at the left sternal border? |
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Definition
SYSTOLIC Hypertrophic Cardiomyopathy
DIASTOLIC Aortic regurg Pulmonic regurg |
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Term
Holosytolic high pitched blowing |
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Definition
Mitral or Tricuspid regurgitation |
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Term
Crescendo-decrescendo systolic |
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Definition
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Term
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Definition
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Term
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Definition
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Term
Immediate high pitched blowing diastolic |
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
Torsades de Pointes description and risk factors |
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Definition
V-tach, shifting sinusoidal wave forms Increasing QT interval increases risk |
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Term
Congenital long QT syndromes defect association other names |
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Definition
Defects in cardiac sodium and potassium channels may have sensorineural deafness Jervell and Lange-Nielsen Syndrome |
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Term
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Definition
B-blockers Calcium channel blockers Digoxin |
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Term
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Definition
Class IA Class IC Class III B-blockers |
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Term
Treating 3rd degree block |
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Definition
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Term
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Definition
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Term
Describe the A-fib tracing Describe the A-flutter tracing |
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Definition
A-Fib: no discrete P waves with irregularly spaced QRS complexes A-flutter: identical back-back P waves (sawtooth) |
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Term
Describe the various heart block tracings |
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Definition
1st degree: fixed, lengthened PR interval 2nd degree type1 (Wenckebach): progressive lengthening of PR interval until there is a dropped beat (P wave without QRS) 2nd degree type 2: Dropped beats not preceded by lengthening PR interval 3rd degree: No relation between P waves and QRS complexes |
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Term
What are the signals for ANP release and what does it do? |
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Definition
Released in response to increased atrial pressure. Vascular relaxation and increased GFR (dilate afferent arteriole, constrict efferent) |
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Term
Contrast the aortic and carotid barorceptors |
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Definition
Carotid responds to any change in BP by proportionally adjusting it's firing rate on CN IX
Aortic responds only to increase in BP by increasing firing on CN X |
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Term
What is the Cushing reaction? |
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Definition
Increased ICP constricts arterioles leading to cerebral ischemia which increases systemic BP causing bradycardia. |
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Term
How does the heart increase it's O2 supply, why? |
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Definition
Vasodilation to increase blood flow since the organ is always extracting 100% of Oxygen delivered. |
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Term
Normal RA and RV pressure? |
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Definition
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Term
Normal PA and PCWP pressure? |
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Definition
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Term
Normal LV and Aortic arch pressure? |
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Definition
LV = <130/10 Aorta = <130/90 |
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Term
What embryologic defect causes Persistent Truncus Arteriosus |
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Definition
Truncus arteriosus fails to divide into pulmonary trunk and aorta |
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Term
What embryologic defect causes tetrology of fallot? |
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Definition
Anterosuperior displacement of the infundibular septum |
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Term
What embryologic defect causes D-transposition of the great vessels? |
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Definition
Failure of the aorticopulmonary septum to spiral |
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Term
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Definition
Total anomalous pulmonary venous return pulmonary veins drain into the right heart circulation presents as blue baby with right to left shunt |
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Term
Most common congenital cardiac anomaly? |
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Definition
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Term
Coarctation of the aorta presentation |
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Definition
Infantile: PDA because coarctation proximal to it Adult: kid with HTN in upper extremities and way pulses in lower, might see notching of ribs on X-ray due to collateral circulation. Coarcation is distal to ductus arterioles Either can result in aortic regurg |
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Term
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Definition
machine like murmur cyanosis of the toes but not fingers Inititally a L to R shunt but eventually get Eisenmenger syndrome (R to L) |
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Term
Congenital cardiac defects associated with: DiGeorge |
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Definition
Truncus Arteriosus tetrology of Fallot arch defects |
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Term
Congenital cardiac defects associated with: Down syndrome |
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Definition
ASD VSD Inferior interatrial septal defects (endocardial cushion) |
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Term
Congenital cardiac defects associated with: Congenital Rubella |
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Definition
Septal defects PDA Pulmonary artery stenosis |
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Term
Congenital cardiac defects associated with: Turner Syndrome |
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Definition
Preductal (infantile) coarctation of the Aorta |
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Term
Congenital cardiac defects associated with: Marfan's Syndrome |
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Definition
Aortic insufficiency (adult complication) Cystic medial necrosis leading to aortic dissection (adult complication) |
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Term
Congenital cardiac defects associated with: Gestational Diabetes |
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Definition
Transposition of the great vessels |
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Term
HTN is a risk factor for which diseases |
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Definition
Atherosclerosis LVH Stroke CHF Renal Failure Retinopathy Aortic Dissection |
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Term
Contrast the histology of Monckeberg Arteriosclerosis Atherosclerosis |
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Definition
Monckeberg = calcification of media usually in radial/ulnar arteries, no occlusion Arterio = hyalinization of small arteries, onion skinning in malignant HTN Athero = fibrous and atheromatous plaques in the intima |
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Term
What is the pathophysiology of developing an atheromatous plaque? |
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Definition
Endothelial cell dysfunction leads to macrophages and LDL accumulation. Macrophages become foam cells causing fatty streaks. Smooth muscle cell migration (due to PDGF and TGF-B) leads to fibrous plaque formation and complex atheromas form. |
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Term
What kind of vessels are affected by atherosclerosis? What locations are most common? |
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Definition
Elastic arteries and large/medium sized muscular arteries Abdominal aorta > coronary > popliteal > carotid |
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Term
What ECG finding separates Prinzmetal angina from stable/unstable? |
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Definition
ST elevation in Prinzmetal, depression in the others |
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Term
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Definition
Vasodilator aggravates ischemia by depriving shunting blood away from an area that is highly stenosed and towards a more healthy vessel |
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Term
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Definition
LAD > RCA > Circumflex (anterior, inferior, posterior) |
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Term
Pathology of an MI 0-4 hours old? |
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Definition
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Term
Pathology of an MI 4-12 hours old? |
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Definition
Gross: white infarct, dark mottling; pale with tetrazolium stain Microscope: early coagulative necrosis, edema, hemorrhage, wavy fibers |
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Term
Pathology of an MI 12-24 hours old? |
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Definition
Gross: white infarct, dark mottling; pale with tetrazolium stain Microscopic: Contraction bands. Release of necrotic cell content into blood, beginning of neutrophil emigration |
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Term
Pathology of an MI 2-4 days old? |
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Definition
Gross: Hyperemia Microscope: Extensive coagulative necrosis, tissue surrounding infarct shows acute inflammation, lots of neutrophils. |
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Term
Pathology of an MI 5-10 days old? |
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Definition
Gross: Hyperemic border, central yellow/brown softening Microscopic: Granulation tissue at the edges |
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Term
Pathology of an MI 7 weeks old? |
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Definition
Gross: gray-white tissue with recanalized artery Microscope: Contracted scar complete |
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Term
Which cardiac enzyme is positive first in an MI and when? |
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Definition
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Term
What is special about CK-MB? |
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Definition
Good at diagnosing reinfarction on top of acute MI |
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Term
During an MI, what is the difference between ST elevation and depression? |
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Definition
Elevation = transmural infarct Depression = subendocardial infarct |
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Term
Where is the infarct and what vessel is occluded? V1-V4 |
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Definition
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Term
Where is the infarct and what vessel is occluded? V1-V2 |
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Definition
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Term
Where is the infarct and what vessel is occluded? V4-V6 |
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Definition
Anterolateral Wall Circumflex |
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Term
Where is the infarct and what vessel is occluded? 1, aVL |
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Definition
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Term
Where is the infarct and what vessel is occluded? 2, 3, aVF |
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Definition
Inferior wall Right coronary |
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Term
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Definition
autoimmune disease causing fibrinous pericarditis several weeks post MI |
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Term
Most common causes of dilated cardiomyopathy |
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Definition
ABCCCD Alcoholism Beri beri (wet) Coxsackie Chagas Cocaine Doxirubicin |
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Term
Treating hypertrophic cardiomyopathy |
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Definition
Beta blockers and calcium channel blockers (non-dihydropyridine like verapamil) |
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Term
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Definition
endomyocardial fibrosis (restrictive cardiomyopathy) with eosinophilic infiltrate |
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Term
CHF drugs that reduce mortality |
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Definition
ACEi/ARBs B blockers Spironolactone |
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Term
CHF drugs that improve symptoms but don't improve mortality |
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Definition
Thiazide/Loop diuretics Nitrates |
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Term
What disease are hemosiderin filled macrophages in the lungs associated with? |
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Definition
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Term
What are Roth's Spots and what are they a sign of? |
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Definition
Round white spots on retina surround by hemorrhage Bacterial endocarditis |
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Term
What are Osler's Nodes and what are they a sign of? |
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Definition
Tender raised lesion on finger or toe pads Bacterial Endocarditis |
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Term
What are Janeway lesions and what are they associated with? |
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Definition
Small erythematous lesions on palm or sole Bacterial endocarditis |
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Term
What are splinter hemorrhages associated with? |
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Definition
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Term
What bacteria is associated with bacterial endocarditis of colon cancer? |
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Definition
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Term
What bacteria is associated with endocarditis seen in prosthetic valves? |
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Definition
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Term
Which bugs are more likely to be found in right sided bacterial endocarditis? |
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Definition
S. Aureus Pseudomonas Candida |
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Term
Complications of bacterial endocarditis |
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Definition
Chordae rupture Glomerulonephritis Suppurative pericarditis Emboli |
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Term
What is the antibody target in acute rheumatic fever? |
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Definition
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Term
Common causes of Serous pericarditis |
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Definition
noninfectious inflammatory diseases |
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Term
Conditions that cause Pulsus Paradoxus |
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Definition
Cardiac Tamponade/Pericarditis Asthma/Croup Obstructive Sleep Apnea |
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Term
Syphilitic heart disease findings Underlying pathophys |
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Definition
Ascending aorta/arch aneurysm aortic insufficiency tree bark appearance
disruption of the vasa vasorum of the aorta |
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Term
What is Kussmaul's Sign? What is it associated with? |
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Definition
Increase in JVP on inspiration Heart tumors |
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Term
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Definition
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Term
Most common location for primary heart tumor |
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Definition
Left atrium (90% in atrium) |
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Term
Most common presentation for primary heart tumor Most common radiology finding |
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Definition
Multiple syncopal episodes Ball-valve obstruction |
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Term
Difference between Raynaud's Disease vs. Raynaud's Phenomenon? |
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Definition
Phenomenon is when it is secondary to connective tissue disease |
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Term
Giant cell arteritis presentation |
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Definition
Old lady with headache, jaw claudication, and polymyalgia rheumatica |
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Term
Giant cell arteritis pathology |
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Definition
granulomas, increased ESR, palpable arteries |
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Term
Takayasu arteritis presentation |
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Definition
Asian female under 40 weak upper extremity pulses, fever, night sweats, arthritis, myalgia, skin nodules, ocular disturbance |
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Term
Takaysu's arteritis pathology |
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Definition
Granulomas in the aortic arch and proximal vessels increased ESR |
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Term
Polyarteritis Nodosa presentation |
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Definition
Young adults, often have HBV too Fever, weight loss, abdominal pain, melena, HTN, CNS problems and CUTANEOUS ERUPTIONS |
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Term
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Definition
SPARES LUNGS usually renal and visceral Transmural fibrinoid necrosis with lesions of different ages Multiple aneurysms and constrictions immune complexes |
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Term
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Definition
Asian kids <4 fever, lymphadenitis, conjuctivitis, strawberry tongue, hand/foot erythema and desquamation |
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Term
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Definition
be wary of coronary aneurysms |
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Term
Buerger's disease presentation |
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Definition
Male smoker < 40 Claudication/gangrene and Raynaud's |
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Term
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Definition
Segmental thrombosin vasculitis improves with smoking cessation |
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Term
Microscopic polyangiitis presentation |
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Definition
palpable purpura pauci-immune glomerulonephritis |
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Term
microscopic polyangitiis pathology |
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Definition
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Term
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Definition
Nasal septum issues, sinusitis, otitis media and mastoiditis hemoptysis, cough, dyspnea hematuria with RBC casts |
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Term
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Definition
Granulomas focal necrotizing vasculitis c-ANCA large nodular densities on x-ray |
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Term
Churg-Strauss presentation |
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Definition
Asthma, wrist/foot drop sinusitis, palpable purpura |
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Term
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Definition
eosinophilia and granulomas p-ANCA |
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Term
Henoch-Schonlein presentation |
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Definition
kids who after a URI get palpable purpura on butt/legs, arthralgias, and GI pain/melena |
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Term
Henoch-Schonlein pathology |
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Definition
IgA complexes, IgA nephropathy Multiple GI lesions of the same age |
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Term
Sturge-Weber presentation |
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Definition
port-wine stain on face, seizures, early glaucoma, leptomeningieal angiomatosis |
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Term
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Definition
intracerebral AVMs only affects very small vessels |
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Term
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Definition
Benign capillary hemangioma in infants that regresses by age 5-8 |
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Term
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Definition
Benign capillary hemangioma that appears in 20s or 30s, see more of them with age |
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Term
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Definition
Polypoid capillary hemangioma that ulcerates and bleeds associated with trauma and pregnancy |
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Term
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Definition
Associated with Turner syndrome cavernous lymphangioma in the neck |
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Term
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Definition
Benign, painful, reddish blue tumor under nail beds Comes from muscular capillaries designed to shunt blood away when it's cold |
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Term
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Definition
Papules in AIDS patients infected with Bartonella Henselae (cat scratch fever) looks like Kaposi's Sarcoma |
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Term
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Definition
Liver cancer associated with vinyl chloride, arsenic and ThO2 (old x-ray contrast agent) |
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Term
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Definition
lymphatic cancer associated with persistent lymphedema (e.g. post-mastectomy) |
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Term
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Definition
endothelial cancer in AIDS patients with HHV8 infection looks like bacillary angiomatosis |
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