CCDS Exam Questions and Answers –
Updated 2024
A very high PVC count could be attributed most likely to _______? - Answer-Atrial
undersensing
Most common cause of inappropriate mode switching? - Answer-FFRWOS
DOE with moderate activity is what class heart failure symptoms? - Answer-Class II
...
Ventricular based device --> when you AP VS, you will be - Answer✔✔-pacing the atrium faster
than the base rate
most common cause of systolic heart failure - Answer✔✔-ischemic heart disease
LBBB - Answer✔✔-QS pattern in V1, QRS > 120 ms
Causes of PMT - Answer✔✔-Loss of atrial capture, PVCs, atrial underspending
ECG characteristic of WPW - Answer✔✔-delta waves
Drugs used for rate control for patients in AF w/RVR - Answer✔✔-CCB, BB
What did the pain free and pain free II trials show? - Answer✔✔-ATP is effective for fast VT
What is the average time an ICD takes to charge to max output - Answer✔✔-10 seconds
Which of the following is a poor prognostic sign for a patient with HCM? - Answer✔✔-
Hypotension with exercise (not tachycardia, DOE)
Methods to induce VF in the lab - Answer✔✔-Shock on T, DC fibber, 50 HZ burst
Brugada syndrome - Answer✔✔--Autosomal dominant disorder most common in Asian males.
-ECG pattern of pseudo-right bundle branch block and ST elevations in V1-V3.
- risk of ventricular tachyarrhythmias and SCD. Prevent SCD with implantable cardioverter-
defibrillator (ICD).
Normal safety margin following DFT testing - Answer✔✔-10J
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