Term
Pericardial tamponade definition |
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Definition
pericardial effusion --> pressure on the heart --> limits ventricular diastolic filling & decreased CO |
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Term
Causes of pericardial tamponade |
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Definition
- same as pericardiditis - viral, idiopathic, neoplastic, autoimmune, Dressler's syndrome (s/p MI)
- may be traumatic
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Term
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Definition
- distant heart sounds (effusion)
- increased JVP
- systemic hypotension
- PERICARDIAL TAMPONADE
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Term
clinical manifestations of pericardial tamponade |
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Definition
- Beck's triad
- pulsus paradoxus - drop > 10 of SBP w/ inspiration (pulses dissapear w/ inspiration)
- Kussmaul's sign - increased JVP w/ inspiration
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Term
How do you diagnose pericardial tamponade |
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Definition
- ECG: low voltage QRS complex, electric alternans
- Echo: increased pericardial fluid + diastolic collapse of cardiac chambers (hemodynamic compromise)
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Term
Treatment of pericardial tamponade |
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Definition
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Term
increased IOP with optic nerve damage |
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Definition
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Term
any impediment to the flow of aqueous humor through the trabecular meshwork and canal of Schlemm all.... |
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Definition
increase the pressure in the anterior chamber (glaucoma) |
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Term
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Definition
acute or chronic open-angle and angle-closure |
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Term
Which type of glaucoma is more common |
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Definition
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Term
ophthalmic emergency resulting from complete closure of the angle |
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Definition
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Term
chronic, asymptomatic, and potentially blinding disease that affects 2% of the population |
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Definition
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Term
PE of angle-closure glaucoma |
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Definition
circumlimbal injection steamy cornea fixed mid-dilated pupil decreased visual acuity tearing |
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Term
anterior chamber is narrowed; IOP is acutely elevated |
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Definition
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Term
painful eye and loss of vision are important clinical features |
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Definition
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Term
increased IOP, defects in the peripheral visual field, and increased cup-to-disc ratios |
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Definition
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Term
patients are typically asymptomatic until late in disease. Loss of peripheral vision is the main symptom |
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Definition
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Term
elevated IOP without optic disc damage is known as... |
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Definition
ocular HTN close monitoring is warranted |
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Term
Treatment for angle-closure glaucoma |
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Definition
- must be referred immediately to an ophthalmologist.
Start
- IV carbonic anhydrase inhibitor (ie acetazolamide)
- topical BB
- and
- osmotic diuresis (ie. mannitol
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Term
mydriatics should not be administered in which type of glaucoma? |
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Definition
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Term
Treatment for open-angle glaucoma |
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Definition
- referred to ophthalmologist
- topical and/or systemic medications to decrease the IOP by decreasing aqueous production (BB, carbonic anhydrase inhibitors)
- and/or increasing outflow (prostaglandin-like meds, cholinergic agents, epiephrine components)
- alpha agonists (brimonidine) provide both mechanisms
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Term
multi-organ dz of idiopathic cause. it is characterized by noncaseating granulomatous inflammation in affected organs (i.e.. lungs, lymph nodes, eyes, skin, liver, spleen, salivary glands, heart, nervous system) |
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Definition
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Term
approximately 90% of patients had lung involvement |
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Definition
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Term
common respiratory symptoms of sarcoidosis inxlusw: |
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Definition
cough
dyspnea of insidious onset
chest discomfort |
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Term
Extra pulmonary findings that are common in sarcoidosis inclde |
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Definition
erythema nodosum
or
enlargement of parotid glands, lymph nodes, liver, or spleen |
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Term
Serum blood tests for sarcoidosis |
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Definition
leukopenia
eosinophlia
elevated erythrocyte sedimentation rate
hypercalcemia
hypercalciuria |
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Term
ACE enzyme levels are elevated in 40-80% of patients |
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Definition
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Term
radiographic findings demonstrate symmetric bilateral hilar and right paratracheal adenopathy & bilateral diffuse reticular infiltrates |
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Definition
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Term
What confirms the diagnosis of sarcoidosis |
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Definition
transbronchial biopsy of the lung or fine-needle node biopsy
biopsy shows noncaseating granulomas |
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Term
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Definition
approximately 90% of cases are responsive to corticosteroids and can be controlled with modest maintenance doses |
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Term
is present when the pulmonary arterial pressure rises to a level inappropriate for a given cardiac output. Once present, it is self-perpetuating |
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Definition
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Term
Primary (idiopathic) pulmonary HTN |
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Definition
rare and has a fatal outcome |
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Term
_______________ has many causes that develop as a result of obliteration and obstruction of the pulmonary arterial tree |
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Definition
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Term
What is the most important and potent stimulus of pulmonary arterial vasoconstriction in pulmonary HTN? |
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Definition
hypoxia
other causes : acidosis and veno-cocclusive conditions |
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Term
Clinical features of pulmonary HTN? |
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Definition
- dyspnea, angina-like retrosternal CP, weakness, fatigue, edema, ascites, cyanosis, & effort syncope
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Term
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Definition
- narrow splitting and accentuation of the second heart sound
- systolic ejection click
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Term
Diagnostic studies for pulmonary HTN |
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Definition
- CXR - enlarged pulmonary arteries
- EKG - RVH, atrial hypertrophy, RV strain
- Echo - estimating pulm arterial pressure but right heart catheterization offers more precise hemodynamic monitoring
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Term
Management of primary pulmonary HTN |
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Definition
- chronic oral anticoagulants
- CCB to lower systemic arterial pressure
- prostacyclin (potent pulm. vasodilator)
- Heart-lung transplantation usually is needed
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Term
management of secondary pulmonary hypertension |
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Definition
treating underlying d/o in addition to tx's for primary |
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Term
Where do PE's arise from? |
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Definition
- thrombi in the systemic venous circulation or the right side of the heart
- from tumors that have invaded the venous circulation
- other sources
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Term
More than 90% of pulmonary emboli originate as clots in... |
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Definition
the deep veins of the lower extremities
others include:
- air emboli from central lines
- amniotic fluid from active labor
- fat from long bone (femur fx)
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Term
Risk factors revolve around Virchow triad |
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Definition
- hypercoagulable state
- venous stasis
- vascular intimal inflammation or injury
- PULMONARY EMBOLISM
- specific risks include: sx procedures (orthopaedic, pelvic, abdominal), cancer, oral contraceptives, and pregnancy
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Term
Approximately 50-60% of patients with DVT will experience... |
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Definition
a PE
half will be asymptomatic
symptomatic PE is serious and potentially life threatening |
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Term
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Definition
- sudden onset of pleuritc CP
- dyspnea
- apprehension
- cough
- hemoptysis
- diaphoresis
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Term
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Definition
- tachycardia
- tachypnea
- crackles
- accentuation of pulm component of 2nd heart sound
- low grade fever
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Term
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Definition
lacks sensitivity and specificity to PE but COULD be PE |
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Term
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Definition
- anticoagulation tx is initiated; heparin is anticoagulant of choice. LMWH or warfarin is continued after the acute phase
- a minimum of 3 months is advised
- Vena cava interruption (filter) is helpful in patients at high risk of recurrent who are unable to tolerate anticogulants
- Prevention is key! high risk patients: early ambulation, intermittent pneumatic compression stockings, low dose heparin and LMWH or a combo of mechanical and pharmacological measure
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Term
treatment of cardiogenic shock |
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Definition
- O2, isotonic fluids (avoid aggressive IV fluid tx w/ smaller amounts of fluid)
- inotropic suppor: drugs to increase myocardial contractility & CO - dobutamine (positive inotroe), epi(pos. inotrope & vasoconstrictor), amnirone. intraortic balloon pump
- treat underlying cause: ie. MI: early angioplasty or thrombolytic tx
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Term
what is the only type of shock in which you treat with smaller amounts of fluid? |
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Definition
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Term
treatment of obstructive shock (massive PE, pericardial tamponade, tension PTX, aortic dissection) |
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Definition
- O2, isotonic fluids, inotropic support : dobutamine, ep, intra aortic abloon pump
- treat underlying cause
- PE : heparin, thrombolytic tx +- embolectomy
- pericardial tamponade - pericardiocentesis
- tension PTX - needle decompression
- proximal dissections usually require sx
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Term
treatment of septic shock |
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Definition
- broad spectrum IV abx: early tx. Zosyn + Ceftriaxone or imipenem
- gent for pseudomonas
- vanc for MRSA
- clinda or metronidazole for intraabdominal
- Ceftriaxone in asplenic pts to cover N. meningitides & H. flu
- IV fluid resuscitation: isotonic crystalloids (NS, LR)
- vasopressors: if no response to 2-3 L of IV fluids with goal of MAP > 60 mmHg. +- 100 mg IV hydrocortisone
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Term
treatment for anaphylactic shock |
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Definition
- epi 1st line (0.3 mg IM of 1:1000 repeat q5-10m)
- IV CV collapse give 1 mgIV of 1:10,000
- airway management
- antihistamines (diphenhydramine 25-50mgIV blocks H1, rantidine IV blocks H2)
- IV fluids
- observe pts for 4-6 hrs b/c up to 20% have biphasic phenomenon (return of sx 3-4 hrs after inital rxn)
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Term
treatment of neurogenic shock |
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Definition
fluids
pressors
+- steroids |
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Term
treatment of endocrine shock (i.e. adrenal insufficiency, Addisonian crisis) |
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Definition
hydrocortisone 100 mg IV (often unresponsive to fluids and pressors alone) |
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Term
Treatment of circulatory shock |
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Definition
- Airway
- Breating: mechanical vent & sedation decrease work of breathing
- Circulation: isotonic crystalloids (NS, LR)
- Deliver of O2: monitor lactate levels
- Endpoint of resuscitation: urine output: 0.5 mg/kg/hr, CVP 8012. MAP 65-90, Central venous o2 >70%
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Term
treatment of hypovolemic shock |
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Definition
- ABCDE's, insert 2 large bore IV's or central line
- volume resuscitation: crystalloids often given 3-4 L
- +- packed RBC transfusion: if hemorrhage (O-neg or cross matched)
- prevention of hypothermia, treat any coagulopathies
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