Cardiology

Question 1

ECG findings hypokalaemia

Answer 1

• U waves
• long QT interval
• ST depression
• prolonged PR interval

Question 2

ECG findings Wolff-Parkinson-White syndrome

Answer 2

• short PR
• delta waves
• Rt axis deviation

Question 3

ECG findings first degree heart block

Answer 3

PR interval > 0.2s (consistently)

Question 4

ECG findings second degree heart block type 1 (Mobitz I/Wenckebach)

Answer 4

progressive prolongation of PR interval until a dropped beat occurs

Question 5

ECG findings second degree heart block type 2 (Mobitz II)

Answer 5

PR interval constant
P wave often not followed by QRS

Question 6

ECG findings third degree heart block (complete)

Answer 6

no association b/w P waves and QRS complexes