Cardiology Flashcards
1
Q
What is the normal duration of the QRS complex?
A
70-100ms
2
Q
What is the normal PR interval?
A
120-200ms
3
Q
What are the classical signs of WPW on an ECG?
A
- Shortened PR interval (<120ms)
- Prolonged QRS complex (>110ms)
- Delta waves (slurred upstroke of the QRS)
4
Q
What anti- arrhythmic is CI in WPW?
A
Verapamil due to increasing conduction down the bypass tract
5
Q
What organism can cause a culture negative endocarditis?
A
Coxiella Burnetti
