Complete Answers Emergency Medicine Pretest exam ( Latest 2023 )
Get Ready for A++ Test with Latest Q&As & Answers
- Before giving nitroglycerin, must rule out...
Answer: right ventricular infarct and car- diac tamponade
- What are the possible EKG manifestations of right heart strain?
Answer: RAD, S1Q3T3, RBBB, Afib, peaked P in II
- Best med for rate control in A fib?
Answer: diltiazem (great AV nodal targeting)
- EKG finding of hypocalcemia?
Answer: long QT
- EKG finding of hypercalcemia?
Answer: short QT
- Management of pneumothorax?
Answer: If small (<20%) in otherwise healthy patient, observe for 6 hours and CXR before discharge 1 / 3
- Possible CXR finding of Boerhaave?
Answer: lateral displacement of the left medi- astinal pleura
- Most sensitive test for aortic dissection?
Answer: TEE is best CT is second best
aortogram is too invasive!
- Rx for cocaine chest pain?
Answer: benzodiazepines
(beta-blockers are contra-indicated!)
- ST elevation in leads II, III, AVF?
Answer: inferior infarct
- ST elevation in leads V1 + V2?
Answer: septal infarct
- ST elevation in leave V3 + V4?
Answer: anterior infarct
- ST elevation in I, AVL, V5, V6?
Answer: lateral infact 2 / 3
- WPW in setting of A fib is risky for? Rx?
Answer: conversion to ventricular fibrillation
Procainamide
- EKG manifestations of hyperkalemia?
Answer: peaked T wave, wide QRS, no P waves
- How to manage stable hyperkalemia (no EKG changes)?
Answer: kayexalate (binds and actually removes K, instead of just shifting it
inward like insulin does)
- How to manage unstable hyperkalemia (+ EKG findings)?
Answer: calcium glu- conate
- Function of glucagon in endoscopy?
Answer: relaxes the GE junction!
- Which type of effusions are exudative?
Answer: malignant
- What qualifies as an exudative effusion?
Answer: fluid-to-blood protein >0.5 fluid-to-blood LDH >0.6
LDH >200
- / 3