Palpitations, tachycardia induced cardiomyopathy

Question 1

long term event monitor is indicated

Answer 1

to evaluate for a arrhythmias causing palpitations or syncope

Question 2

EP study or electrophysiological study is reserved for pts who have

Answer 2

EF 35-40, prior MI and documented NSVT on holter monitoring.

Inducible VT or sustained VT is an indication of ICD implantation for primary prevention for VT.

Question 3

tachycardia induced cardiomyopathy is

Answer 3

tachycardia over period of weeks or months that leads to myocardial cellular changes and LV ventricular dilation and impaired LV function.

Question 4

what causes tachycardia induced cardiomyopathy:

Answer 4

a flutter, MAT, reentrant supraventricular tachycardia, and VT and frequent premature PVCs

Question 5

presentation of tachycardia induced cardiomyopathy:

Answer 5

palpitations, and symptoms of decompensated heart failure

Question 6

Diagnostic evaluation of pts should include:

Answer 6

EKG
ambulatory holter monitoring to document arrhythmia episodes
TTE to assess LV function and testing to rule out myocardial ischemia

Question 7

best way to treat tachycardia induced cardiomyopathy:

Answer 7

control heart rate and this will help improve LV function over a period of months.