Term
Of the 3 categories of ACS, which two have reversible myocardial ischemia and no myocardial necrosis? |
|
Definition
unstable/chronic angina = Ischemic Heart Disease (no enzyme release) |
|
|
Term
What are some major risk factors for ischemic HD? |
|
Definition
Dislipidemia
Family Hx
Smoking
Obesity
HTN
DM
Men >45, Women >55 |
|
|
Term
What are the correlation myths regarding ischmic HD? |
|
Definition
1) There is none between the extent of CAD and severity of anginal symptoms.
2) There is none between severity and duration of anginal sx to prognosis. |
|
|
Term
What are the determinants of myocardial oxygen blood supply? |
|
Definition
1) Coronary blood flow
2) Oxygen carrying capacity in blood (do CBC --> anemic?) |
|
|
Term
What is the most important determinant of myocardial oxygen demand? |
|
Definition
Heart rate --Tachycardia usually indicates more distress. |
|
|
Term
What medications may precipitate ischemia? |
|
Definition
1) Cocaine
2) Ergot alkaloids |
|
|
Term
Chronic stable angina can be defined as: |
|
Definition
1) Anginal hx with no changes in the last 2 months in...
Frequency
Duration
Time of Day
Severity
Episodic pain <5-15 min
Provoked by exertion
Relieved by rest or NTG
-->Is predictable and has limitations |
|
|
Term
1) What is Chronic Stable angina's classic presentation?
2) What classic descriptor do women usually have? |
|
Definition
1) Pain that is substernal, retrosternal with radiation to neck or left arm.
2) A feeling of anxiety. |
|
|
Term
What are some provocating factors with Chronic stable angina? |
|
Definition
Physical exertion
emotions
cold
heat
humidity
high fatty/chol meals
sexual intercourse (more in men) |
|
|
Term
1) What do women usually present with for chronic stable angina?
2) What is the usual cause for Prinzmetal's angina and who shows this type? |
|
Definition
1)Exertional dyspnea
Fatigue
Exhaustion
2)Coronary artery spasm, women |
|
|
Term
With a patient exhibiting Prinzmetal's angina, what medication should you not give? |
|
Definition
|
|
Term
What does silent myocardial ischemia usually show on an EKG? |
|
Definition
ST segment depression or infarct later, can have T wave inversion. |
|
|
Term
What are the physical exam finding with someone with silent myocardial ischemia? |
|
Definition
Normal (but can have tach, S3 (HF), S4 (IDH/HTN), New murmur) |
|
|
Term
What is the gold standard for diagnosing coronary syndromes? |
|
Definition
|
|
Term
What is the therapeutic plan for treating Chronic Stable Angina? |
|
Definition
A = Aspirin and Antianginal therapy (Nitrates)
B= Beta-blocker and blood pressure
C = Cigarette smoking and Cholesterol
D = Diet and Diabetes
E = Education and Exercise |
|
|
Term
1) What are the symptomatic relief therapies for chronic stable angina?
2) And for antiplatelet therapy? |
|
Definition
1) Nitrates, B-blockers, Ca Channel blockers
2) Aspirin |
|
|
Term
1) What drugs should you think of giving with chronic stable angina?
2) What is an alternative med? |
|
Definition
1) Beta-blockers
Aspirin
ACE-I
NTG - PRN
2) Ca channel blockers |
|
|
Term
What type of therapy (combination or monotherapy) is unsuccessful for the management of Chronic Stable angina? |
|
Definition
|
|
Term
1) What is the triple combination therapy for chronic stable angina?
2) And when is it used? |
|
Definition
1) B-blocker, calcium channel blocker, long-acting nitrates with aspirin
2) With persistent angina on dual therapy |
|
|
Term
What is the MofA of the Nitrates? |
|
Definition
1) Liberate NO, and form cGMP (cyclic guanosine monophosphate) --> causes vasodilation in veins, arteries, and arterioles |
|
|
Term
Do nitrates dilate the venous or arterial areas? |
|
Definition
Both (is both preload/venous and afterload/arterial)
- They also can reverse coronary vasospasm for Prinzmetal's angina |
|
|
Term
1) What is the problem of nitrates with extended use?
2) What are some adverse effects of nitrates?
3) How are nitrates stored? Why? |
|
Definition
1) Tolerance
2) HA (most common), Light-headedness, dizziness, tachy
3) In a brown bottle in cool and dry place. Very labile compound. Must refill frequently. |
|
|
Term
1) What is a short acting nitrate?
2) Long acting? |
|
Definition
1) NTG - SL .4-.6 mg (tablet)
NTG - Spray .4-.8 mg (exp. but not affected by environment)
2) ISDN, ISMN |
|
|
Term
1) What is the MofA of Beta-blockers?
2) What are the beneficial effects of BBs? |
|
Definition
1) Inhibits binding of catecholamines
2) Lower heart rate
Increase diastolic filling time (increase heart rest which lowers Oxygen demand) |
|
|
Term
1) Beta-1 receptors are found where and what do they do?
2) Beta-2 receptors are found where and what do they do? |
|
Definition
1) Heart: increase HR, increase contractility, increase AVN conduction
2) Lungs and Vascular: Bronchodilation, vasodilation |
|
|
Term
What are some common Beta-blockers and which ones are selective/non-selective? |
|
Definition
Selective: Atenolol, Metoprolol
Non-selective: Propranolol
All are effective in preventing angina. |
|
|
Term
1) What is an adverse effect (there are many) with BBs?
2) what is a major precaution with Beta-blockers? |
|
Definition
1) Sinus bradycardia, intensification of insulin-induced hypoglycemia
2) BB withdrawl syndrome (usage increases # of Beta receptors) |
|
|
Term
How should you remove BB regimens? |
|
Definition
Slowly!! 50% reduction in dose/week |
|
|
Term
In what situations should you not use beta-blockers? |
|
Definition
2nd degree Mobits
Allergy to the BBs
Hypotensive
Prinzmetal's angina
Bradycardia |
|
|
Term
1) What is the MofA for the Ca Channel blockers?
2) What is a physiologic effect? |
|
Definition
1) Blocks influx of Ca into cardiac/smooth muscle which results in decreased excitation-contraction mechanism.
2) Slows AV nodal conduction |
|
|
Term
1) What are some adverse effects of Ca Channel blockers?
How can you stop Ca channel blockers? |
|
Definition
1) Ankle edema
HF
Proarrhythmia
2) Abruptly (unlike the BBs --> slowly) |
|
|
Term
What are some Ca Channel blockers? |
|
Definition
The Dihydropyridines
Nefedipine (short acting)
Nicardipine (medium acting)
Amlodipine (long acting)
Felodipine
The Non-diydropyridine
Verapamil
Diltiazem |
|
|
Term
What side effects can be seen with verapamil and diltiazem? |
|
Definition
|
|
Term
1) What is significantly increased when used in conjunction with calcium channel blockers?
2) What should you do? |
|
Definition
1) HMG-CoA reductase inhibitors (=Statins)
2) May need to lower statin dose and watch for liver failure or signs of rhabdomyolysis |
|
|
Term
What are some adverse effects of the Ca channel blockers? |
|
Definition
Dihydropyridine
Hypotension
HA
Ankle edema
Short acting (Nifedipine; Nicardipine
Tachycardia
Flushing
Dizziness |
|
|
Term
What is a notable adverse effect for verapamil? |
|
Definition
Constipation (can use in patients with diarrhea) |
|
|
Term
1) What med should you use for chronic stable angina experienced <1/week?
2) Experienced >2-3/week? |
|
Definition
1) NTG
2) NTG (not sub-lingual), BB, CCB |
|
|
Term
What can you do if a patient has failure with medical therapy for chronic stable angina? |
|
Definition
Revascularization PTCA vs. CABG |
|
|
Term
For variant angina:
1) What can you use for acute episodes?
2) What can you use for chronic episodes?
3) What do you not want to use because it could exacerbate coronary artery spasm? |
|
Definition
|
|
Term
1) How are most of the Acute coronary syndromes caused?
2) What is the spectrum? |
|
Definition
1) From a disrupted atherosclerotic plaque.
2) Unstable Angina
Non-Q wave MI
Q-wave MI |
|
|
Term
How is unstable angina defined as? |
|
Definition
Angina at rest (>20 min)
New-onset (<2 months) exertional
Recent (<2 months) acceleration of angina -- (increase in severity of at least one ACC class to at least class III) |
|
|
Term
What is the most likely cause of unstable angina? |
|
Definition
Rapid progression of atherosclerosis causing a reduction in myocardial oxygen supply. |
|
|
Term
What is the most common/more severe form of unstable angina? |
|
Definition
Resting angina (>20 mintues) --> shows ST depression |
|
|
Term
What type of EKG does Prinzmetal's angina show? |
|
Definition
ST elevation (differs from unstable angina --depression) |
|
|
Term
What events occur in the pathophysiology of unstable angina? |
|
Definition
Plaque disruption
Acute thrombosis
Vasoconstriction |
|
|
Term
What is the current medical management of unstable angina and NSTEMI? |
|
Definition
Acute: Oxygen,NTG, BB, ACE-I, Antiplatelet therapy, Anticoag therapy
Maintenance: Antiplatelet therapy, BB, CCB, Lipid-lowering agents, ACE-I |
|
|
Term
How should a patient take their NTG when suffering from angina? |
|
Definition
Take 1, wait 5 minutes, INB take 2nd tablet and call 911, wait 5 minutes, take 3rd tablet INB |
|
|
Term
Out of the CCB, which one is not recommended without concomitant B-blockade? |
|
Definition
|
|
Term
What are not indicated in unstable angina therapy? Why? |
|
Definition
Thrombolytics because of risk of cerebral bleeds. |
|
|
Term
What is the gold standard for unstable angina anti-ischemic therapy? |
|
Definition
Aspirin (or Plavix if allergic) |
|
|
Term
What are Prinzmetal's angina clues to diagnosis? |
|
Definition
ST segment elevation during chest pain
Intermittent chest pain at rest and in early morning hours
Rapidly relieved by NTG
Syncope (rare)
Raynaud's
Migraines |
|
|
Term
1) What does an ST elevation MI imply?
2) What does a non-ST elevation MI imply?
3) Unstable angina implies? |
|
Definition
1) Transmural infarction (not definitive)
2) Non-transmural
3) No cardiac enzymes were released |
|
|
Term
What separates a NSTEMI and Unstable Angina? |
|
Definition
|
|
Term
What is an AMI definition and what are its 3 criteria? |
|
Definition
AMI Definition = Death of myocardial tissue.
Criteria? 1) Chest discomfort suggest of AMI
2) EKG findings consistent with AMI
3) Characteristic elevation of cardiac enzymes |
|
|
Term
1) In an AMI, what area has the highest mortality?
2) What is the most common cause of AMI? |
|
Definition
1) Anterior wall infarction
2) Atherosclerosis |
|
|
Term
What 3 groups have the highest risk for an AMI? |
|
Definition
1) Prior MI
2) History CAD (family hx)
3) Malignant arrythmias |
|
|
Term
What are some AMI characteristics with presentation? |
|
Definition
Chest pain that lasts >30 minutes
Not relieved with NTG
New EKG changes: ST elevation in two contiguous leads
Presence of an increase in cardiac enzymes |
|
|
Term
What is the preferred cardiac enzyme? And what is its benefit |
|
Definition
Troponin I -- is a single test to efficiently dx NSTEMI. |
|
|
Term
What are the level elevations, peaks, return to baseline time for the following cardiac enzymes:
Myoglobin?
Troponin I (CTnI)?
CKMB? |
|
Definition
Myoglobin: initial elevation (1-4 hr)
Peak (4-12 hr)
Return to baseline (10-24 hr)
CTnI: 2-6 hr
10-24 hr
7-10 days
CKMB: 4-6 hr
18-24 hrs
36-48 hrs |
|
|
Term
What is the treatment goal for AMI? |
|
Definition
Improve the quality of life |
|
|
Term
1) When is the highest risk for sudden death to occur with AMI?
2) What is the AMI therapeutic plan? |
|
Definition
1) Within the first 24 hours
2) ASA, NTG, Morphine, Heparin, BB (Lopressor or Brevibloc (short) |
|
|
Term
1) What is a complication of NTG tx for AMI?
2) In what situation is NTG contraindicated? |
|
Definition
1) Hypoxia (causing a V/Q mismatch)
2) RV infarct |
|
|
Term
What thrombolytic agent can you not give twice? Why? |
|
Definition
Streptokinase (anaphylaxis) |
|
|
Term
When can you not give thrombolytic agents? |
|
Definition
|
|
Term
What class of meds is the only class to reduce mortality in previous acute coronary syndromes (a cardiac med class)? |
|
Definition
|
|
Term
What meds can actually give a LV remodeling process? |
|
Definition
|
|
Term
|
Definition
Dry hacking cough (S3 present ---> cough from HF)
Angioedema |
|
|
Term
1) For AMI, what is the most common of death in the first 4-12 hours?
2) What is the treatment for this? |
|
Definition
1) Ventricular fibrillation
2) Lidocaine or amiodarone |
|
|
Term
1) What type of murmurs may begin after an AMI?
2) What is the tx for them? |
|
Definition
1) Mitral and aortic regurgitation
2) Surgery NOW!! |
|
|
Term
1) What is a AMI supportive anti-anxiety med you can use?
2) What are not effective? |
|
Definition
1) Benzodiazepines (lower oxygen demand)
2) Anti-depressants |
|
|
Term
With an AMI, what meds must you never stop taking? |
|
Definition
|
|
Term
How is a life-threatening HA described as? |
|
Definition
Sudden onset, severe intensity within seconds to minutes. New HA in elderly or HIV+.
Wonder about Berry aneurysms, cerebral bleeds or sub-arachnoid hemorrhage. |
|
|
Term
Describe a Tension-Type HA? |
|
Definition
Band-like (not lateralized), non-pulsating, no Nausea or vomitting, gradual onset (often from stress) |
|
|
Term
1) What should you assess in a TTH?
2) When should you consider imaging? |
|
Definition
1) Full eye exam
Neurological screen
2) Neuro findings + or atypical presentation
(Bleeds = non-contrast CT)
(Masses = MRI) |
|
|
Term
What nerve is greatly affected by TTH? |
|
Definition
|
|
Term
What hormone deals mostly with pain? |
|
Definition
|
|
Term
1) With TTH, what are some initial medications for tx?
2) How long do they take to work? |
|
Definition
1) ASA, Acetaminophen, NSAIDs
2) 30 minutes for ASA, 60 min. for acetominophen and NSAIDs |
|
|
Term
1) What are some longer acting NSAIDs?
2) What are some common NSAID SE? |
|
Definition
1) Orudis, Toradol
2) Nausea, dyspepsia, inhibits platelet aggregation (bleeding) |
|
|
Term
What are some NSAID resistant tx for TTH? |
|
Definition
Tylenol III (acetominophen and Codeine)
Darvocette |
|
|
Term
Where to opioids provide pain relief? |
|
Definition
Neuron receptor sites at supraspinal/spinal levels. NSAIDs interfere with prostagladins and cyclooxygenases. |
|
|
Term
1) What are some opioid SE?
2) What is butalbital good for? Caffeine? |
|
Definition
1) Sedation, nausea, psych effects (hallucinations)
2) Lowers anxiety; Caffeine enhances drug absorption |
|
|
Term
For preventing TTH and antidepressants, which meds are best and what are they better than? |
|
Definition
TCAs (amitriptyline/nortriptyline) are better than SSRIs.
TCA SE: Drymouth, drousiness |
|
|
Term
What feature of a HA requires re-evaluation? |
|
Definition
|
|
Term
1) Who are migraines more common in? Who should you seed a secondary cause in?
2) Who is it more common in? |
|
Definition
1) Peek 25-50. Seek sec. cause in pts >50.
2) Women except prior to puberty then it is boys. |
|
|
Term
What is a typical description of a migraine? |
|
Definition
Lateralized and pulsating, gradual onset lasting hours. Nausea, vomiting and photophobia, phonophobia with blurred vision. |
|
|
Term
What are 2 presenting features with Migraines? |
|
Definition
Premonition (in 60%) and Aura (20%). Aura's define classic migraines (stars, scintillating scotomas). |
|
|
Term
What is the etiology of a migraine? |
|
Definition
Neuronal hyperexcitability leads to vascular changes (=Neurovascular cause) |
|
|
Term
What neurotransmitter is specific for migraines? |
|
Definition
Calcitonin gene-related peptide (CGRP). |
|
|
Term
1) The brainstem reflex provides what symptoms in a migraine?
2) The Autonomic reflex provides what symptoms in a migraine? |
|
Definition
1) Nausea/vomiting/photo,phonophobia
2) Nasal congestion, rhinorrhea, lacrimation |
|
|
Term
If a person has a migraine but is not suffering from a HA disability and vomiting, what is a feasible tx option? |
|
Definition
OTC aspirin, acetaminophen or ibuprofen (for non-incompacitating or non-vomiting migraines) |
|
|
Term
What is a SE for ergotamines in the tx of migraines? |
|
Definition
|
|
Term
Who cannot use triptans? Why? |
|
Definition
Patients with cardiovascular complications (causes coronary artery vasospasm |
|
|
Term
What drugs are contraindicated for migraines? |
|
Definition
|
|
Term
What drugs can be used for the treatment of migrainosis other than triptans? |
|
Definition
NSAIDs
Demerol (with vistaril for nausea)
Stadol (NS)
Nubain |
|
|
Term
What combination drug is better than either alone and may help prevent what? |
|
Definition
Treximent (triptan/NSAID), rebound HA |
|
|
Term
Describe the sxs of a cluster HA. |
|
Definition
Severe unilateral with orbital, supraorbital or temporal pain.
Lasts < 2 hours |
|
|
Term
What is the tx for cluster HA? |
|
Definition
100% O2 8L/min for 10 min. |
|
|
Term
Who is at risk for cluster HA? When? |
|
Definition
Men, Blacks, in their 20's |
|
|
Term
What med. should you avoid in pediatric pts. for the tx of migraines? |
|
Definition
ASA d/t Reye's syndrome
Triptans not approved. |
|
|
Term
What are the 3 types of abdominal pain? How do they manifest? |
|
Definition
1. visceral - dull ache poorly localized
2. parietal - sharp intense localized
3. referred pain |
|
|
Term
What are the 3 general causes of abd. pain? Give an example of each. |
|
Definition
1. inflammation - infection
2. ischemia - torsion
3. tension - peritoneum |
|
|
Term
What is the most important tool for assesing abd. pain? |
|
Definition
|
|
Term
What is the standard for the management of acute abd.? |
|
Definition
IV fluids
Antispasmodics
Antibiotics (surgical prophylaxis) |
|
|
Term
Who deserves a surgical consult? |
|
Definition
severe incr. pain
bile stained vomitus
involuntary guarding
distention with tympany
acute fluid or blood loss |
|
|
Term
When is the most effective time to give surgical prophylaxis and when is it ineffective? |
|
Definition
Before bacterial inoculation, ineffective 3 hrs. after inoculation |
|
|
Term
What is the Ab of choice for prphylaxis? |
|
Definition
Broad spectrum cephalosporins, not 1st generation can use if pcn allergy. |
|
|
Term
What is the Ab prophylaxis procedure? |
|
Definition
-single dose parenterally
-2 hours prior to incision
-discontinue within 48 hrs. |
|
|
Term
which cephalosporin is most commonly used for prophylaxis? |
|
Definition
|
|
Term
What organism is most common in a billiary tract infection? In an appy? |
|
Definition
|
|
Term
What is the time limit for drain placement? |
|
Definition
|
|
Term
What is the 2nd most common cause of acute pancreatitis? |
|
Definition
|
|
Term
how long do you have from presentation to remove an emergent appy? |
|
Definition
|
|
Term
For pancreatitis what tx responds 80% of the time? |
|
Definition
|
|
Term
for cholecystitis is preferred over morphine for pain management? Why? |
|
Definition
meperidine (demerol); morphine incr. spasticity of the sphincter of Oddi |
|
|
Term
When should you not perform a cholecystectomy? |
|
Definition
emergently, allow attack to resolve |
|
|
Term
What are the main organisms causing pneumonia and where are they located? |
|
Definition
-S. pneumo.
-H. influenzae
-oropharyngeal organisms |
|
|
Term
how does pneumonia present? |
|
Definition
-pleuritic chest pain (localized) |
|
|
Term
What is the cause of typical pneumonia? Atypical? |
|
Definition
-bacterial
-mycoplasma, viral or legionella |
|
|
Term
What is empiric tx for community-acquired pneumonia? |
|
Definition
-Macrolides
-doxycycline (mycoplasma) |
|
|
Term
For people <65 what are your most common organisms in comm.-acquired pneumonia? |
|
Definition
S. pneumo. and mycoplasma |
|
|
Term
Upon admission for CAP, what is the empiric tx? |
|
Definition
quinolones #1
or (3rd gen. cephalosporin or B-L inhibitors) plus add a macrolide
-Start within 4 hours of admission |
|
|
Term
What is the ICU therapy for CAP? |
|
Definition
-3rd gen. cephalosporin or B-L inhibitor
and quinalone |
|
|
Term
When can you switch to an oral for admitted CAP? Not? |
|
Definition
-by day 3 with good response
-during first 72 hrs |
|
|
Term
What should you not base your tx on for pneumonia? |
|
Definition
|
|
Term
When do most nosocomial pneumonias occur? Who is at greatest risk? |
|
Definition
-After 48 hrs in institutionalized setting
-post-surgical or ventilator pts. |
|
|
Term
what organisms are most prevalent in nosocomial pneumonia? What should you use to tx? |
|
Definition
-Gram-neg. bacilli
-S. pneumo
-SA
-anaerobes
-Broad spectrum |
|
|
Term
What is the tx MRSA pneumonia? |
|
Definition
|
|
Term
What is the most deadly form of pneumonia? What is it's distinguishing feature? |
|
Definition
aspiration pneumonia
foul smelling, purulent sputum |
|
|
Term
Who should get the pneumococcal vaccine? |
|
Definition
-over 65
-under 65 if smoker or asthma |
|
|