Cardiology

Question 1

Define PR interval, and what should it normally be

Answer 1

PR interval is the time between the onset of the P wave and the start of the QRS complex

Question 2

Normal QRS duration

Answer 2

0.12s

3 small squares

Question 3

Tall tented T waves are a sign of what?

Answer 3

Hyperkalaemia

Question 4

Signs of Wolff-Parkinson-White on ecg

Answer 4

Delta waves - slurred upstroke of QRS

Short PR interval (<0.12s)