ECG Surgical Society Lecture Flashcards
1
Q
Describe the pattern of atrial flutter
A
Only the 2nd or 3rd beat is conducted
Sawtooth pattern
2
Q
What does P mitrale indicate?
A
Mitral stenosis
2
Q
What does upsloping ST depression indicate?
A
Ischaemia
4
Q
Why does ST depression sometime accompany higher QRS?
A
LVH > myocardium is less supplied
5
Q
Which coronary artery supplies the AV and SA nodes?
A
AV = 90% of people - RCA
SA = 50-60% of people - RCA
6
Q
What is 2nd degree heart block? Mobitz I and II
A
Mobitz I - Slowed prolongation of PR interval then non-transmitted P waves followed by normal PR interval (except after the missed beat)
Mobitz II - Regular skipped beats with no elongation of PR interval
