Heart block

Question 1

S+S complete heart block

Answer 1

Syncope, dizziness SOB, palpitations
HF
Bradycardia
Wide pulse pressure
JVP cannon waves

Question 2

1st degree heart block S+S

Answer 2

PR >0.2s - usually asymptomatic, irregular pulse

Question 3

2nd degree type 1 block S+S + management

Answer 3

IRREGULAR = wenckeback
PR prolongs until dropped QRS.
Presents with fatigue, SOB, CP, palps.
Give atropine + consider pacemaker

Question 4

2nd degree type 2 block S+S + management

Answer 4

PR constant but P not always followed by QRS.
Presents with fatigue, SOB, CP, palps.
Give atropine + consider pacemaker

Question 5

3rd degree block S+S + management

Answer 5

No association between P wave + QRS complex
Presents with syncope, HP, Adams attacks (brief LOC)
Atropine, transcutaneous pacing + permanent pacemaker