Lecture 3 MI's and things Flashcards
What is another denotation for LAFB?
Q1S3
ie, Q wave in lead one, S wave in lead 3
In ___, there is right axis deviation, but it is usually within the normal range
L. Posterior Fasicular block
In LPFB, there are large QR waves in leads __, ___, and ___
II, III, AVF (inferior leads)
In RBBB, you see a inverted __ wave on the right, normally; ie lead ___
T; V1
In LBBB, you seen an inverted T wave on the ____ side; ie lead __
left; V6
Fixed increased PR interval indicates ___ AV block. This could be due to increased ____ tone
1st degree;
vagal
In second degree type ___, the patient often presents by experiencing random fainting cells due to dropped ____
2 (non wenckebach); QRS’s
MI on EKG progression:
- Giant positive __ waves
- ST segment elevation
- __ wave development and _ wave diminuation
- Return of ST to normal, ___ wave inversion
- T
- q, R
- T
MI on EKG progression:
- loss of __ with QS pattern
- Return of __ wave to normal (not always)
R;
t
A persistent ST segment elevation long after an MI indicates what??
left ventricular aneurysm
What artery branch determines weather a heart is right or left side dominant?
posterior descending
what 2 arteries (specifically) can the posterior descending artery branch off of?
In R. dominant heart:
In L dominant heart:
distal right coronary;
left circumflex
2 main branches of left coronary artery:
left circumflex, left anterior descending
branches off of the left circumflex artery are called ____
branches off of the LAD are called ____
marginal artery;
diagonal branch
The R. coronary artery passes behind the ____ ____. The Left coronary artery passes behind the ____ ____
R. atrium;
pulmonary artery
