J Point Flashcards
(3 cards)
1
Q
What is the J point in an ECG?
A
The point at which the QRS complex ends and the ST segment begins
2
Q
What does the J point represent?
A
The end of depolarization and the beginning of repolarization
3
Q
Why is the J point significant?
A
It often becomes depressed or elevated when the myocardium is ischemic
