In stable angina
Ref Harrison 19 th ed pg 1593 Necrotic myocardial fibres release a variety of enzymes into blood stream. In stable angina necrosis of the cell does not occur so there is no elevation of serum enzymes.
CK- MB is elevated
Troponin 1 is elevated
Myoglobin is elevated
The level of cardiac markers remain un changed
General anatomy