Interpret EKG
Third Degree AV Block
RV infarction: which drug should you avoid?
Nitrates
Black patient, NYHA III–IV despite GDMT: add?
Hydralazine/isosorbide
Which murmur becomes louder with Valsalva?
HCM
Acute pericarditis treatment?
NSAID + colchicine
Stable AF with WPW: drug of choice?
Procainamide
Posterior MI: diagnostic leads?
V7–V9
HFrEF on ACE inhibitor: required washout before starting sacubitril/valsartan?
36 hours
Opening snap followed by diastolic rumble?
Mitral stenosis
Name Beck triad
hypotension, JVD, and muffled heart sounds
Torsades treatment?
IV magnesium
Which lead is most sensitive for RV infarction?
V4R
HFrEF with sinus rhythm, HR ≥70 despite maximally tolerated medical therapy: add what?
Ivabradine
Severe AS + GI bleeding from angiodysplasia?
Heyde syndrome
Electrical alternans suggests what diagnosis?
Cardiac tamponade
Which antiarrhythmics are preferred for rhythm control of AF in HFrEF?
Amiodarone or dofetilide.
Coronary dominance is defined by which artery’s origin
PDA
HFrEF patient develops hyperkalemia after starting spironolactone. At what K should MRA be discontinued?
≥6.0 mEq/L
Rhythmic head bobbing is associated with which valvular disease? Double points if you can name the sign.
Answer: Aortic regurgitation
Double points: De Musset sign
Kussmaul's sign + CXR shown below. Diagnosis?

Constrictive pericarditis
Diagnostic tool to distinguishes ventricular tachycardia from supraventricular tachycardia.
Brugada Criteria
ST elevation in aVR with diffuse ST depression suggests what high-risk anatomy?
Left main / multivessel ischemia
Cardiac index cutoff commonly used to define low output/cardiogenic shock?
<2.2 L/min/m²
In paradoxical low-flow, low-gradient AS, what CT finding can confirm severe AS?
High aortic valve calcium score
High-yield thresholds: ≥2,000 AU in men and ≥1,200 AU in women strongly support severe AS.
Young patient with unexplained complete heart block, ventricular arrhythmias, and patchy basal septal LGE on cardiac MRI. Diagnosis?
Cardiac sarcoidosis