In-training exam review

Buzzwords

Question Answer
Treatments for Torsades de pointes? Magnesium, Isoproterenol, Overdrive pacing, Defibrillation
Most specific sign in acute CHF? S3
Joules for synchronized cardioversion? (with biphasic) Narrow regular (: 50-100 J)

Narrow irregular (eg A fib): 120-200 J (50-100 J often sufficient for A flutter)

Wide regular (eg Vtach): 100 J

Joules for defibrillation? 120-200 J
Most common cause of pacemaker failure to pace? Oversensing
EKG findings in pericarditis? Diffuse PR depressions and ST elevations (reversed in aVR)

See also