Your-Doctor Multiple Choice Questions (MCQ)

Category: Cardiology--->Arrythmias
Page: 4

Question 16#Print Question

A patient with a secondary prevention ICD in situ experienced a shock from his device. The download is shown in the strip. It is a single-chamber device and the top trace is from the RV tip to RV ring and the lower trace is from the generator can to the RV shock coil.

a. He has had an appropriate shock for VF
b. He has had VF appropriately terminated with ATP
c. He has had VT appropriately terminated with ATP
d. He has had an inappropriate shock
e. The arrhythmia has self-terminated

Question 17#Print Question

A 65-year-old diabetic man with a previous history of myocardial infarction 3 years ago (no intervention required) is found to have atrial fibrillation. His LVEF is 55% and he has no cardiovascular symptoms.
What would you advise him with regard to the best thromboprophylaxis?

a. High-dose aspirin
b. Aspirin and clopidogrel
c. Aspirin and warfarin
d. Aspirin or warfarin
e. Warfarin

Question 18#Print Question

A 25-year-old man presents to the ED with a broad complex tachycardia that is irregularly irregular. The patient is haemodynamically uncompromised. An anaesthetist is not available to assist with immediate DC cardioversion.
What is the best initial treatment option?

a. IV adenosine
b. IV verapamil
c. Oral beta-blocker
d. IV beta-blocker
e. IV flecainide

Question 19#Print Question

A 60-year-old man attends clinic because of hypertension. His BP in clinic is 70/90 mmHg and his echocardiogram shows mild LVH and mild LA dilatation. He is not diabetic and has no other medical history of note.
Which one of the following medications is most effective in preventing AF?

a. ACE inhibitors
b. Beta-blockers
c. Calcium-channel antagonists
d. Diuretics
e. Alpha-blockers

Question 20#Print Question

A 62-year-old woman attends clinic following an ED attendance 6 weeks previously with a one-week history of palpitations. She was diagnosed with AF at the time and commenced on aspirin and a beta-blocker. Her echocardiogram showed no significant abnormalities and her ECG in clinic today confirms atrial fibrillation with a ventricular rate of 70 bpm. She continues to get occasional palpitations and would like to be considered for cardioversion.
What do you advise?

a. She needs to be warfarinized for at least 48 hours pre-cardioversion
b. Anticoagulation should be continued after successful cardioversion for at least 4 weeks
c. If a TOE rules out atrial thrombus, no anticoagulation is required post-procedure
d. Anticoagulation is not required prior to chemical cardioversion
e. Anticoagulation is not required prior to cardioversion as her CHADS2 score is zero

Category: Cardiology--->Arrythmias
Page: 4 of 7