Your patient had a sudden obstruction in their heart, but you were able to clear the issue before any tissue died. You would enter this in an electronic medical record as:
125.5 ischemic cardiomyopathy.
121.41 myocardial infarction, type 2.
125.7 coronary atherosclerosis.
136.0 nonrheumatic tricuspid stenosis.

A patient with a sudden blockage in his heart, but which can be corrected before any tissue dies, it must be entered into the electronic medical record as 125.5 ischemic cardiomyopathy.

Explanation:

Ischemic cardiomyopathy is a condition that affects the heart and its functions, due to decreased blood supply. The lack of blood in the heart tissue is known as ischemia, producing tissue injury and probably heart attack or tissue death.

Myocardial ischemic disease can produce a condition called angina pectoris, even before a heart attack occurs.

In the case of a patient with symptoms of myocardial ischemia, without an infarction, the corresponding ICD-10 code for electronic medical record  is 125.5: ischemic cardiomyopathy.

The other options are not correct because:

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