heart block Flashcards
(5 cards)
1
Q
first degree heart block
A
PR >0.2secs
asymptomatic is common
esp in athletes
2
Q
second degree heart block type 1 (mobitz I, Wenckebach)
A
progressive prolongation of the PR interval until a dropped beat occurs
3
Q
second degree heart block type 2 (Mobitz II)
A
PR interval is CONSTANT but P wave is often not followed by a QRS complex
4
Q
third degree (complete) heart block
A
no assoc p=between P waves + QRS
5
Q
features of complete heart block
A
syncope
heart failure
regular bradycardia (30-50bpm)
wide pulse pressure
JVP = CANNON waves
variable intensity of S1
