Table 1.

Differences between INOCA and MINOCA.

	INOCA	MINOCA
Symptoms	Yes	Yes
Resting EKG abnormalities	Possible	Possible
Exercise EKG abnormalities	Usually	N/A*
Abnormal wall motion on stress echo	Possible, but usually not	N/A
Abnormal perfusion on SPECT	Possible, but usually “breast artifact” or “probably normal”	N/A
Abnormal PET-derived myocardial flow reserve	If yes, diagnose CMD If no, could still be CMD due to a vasocontrictor problem; definitive diagnosis requires invasive coronary function testing	N/A
Troponin elevation	May have a prior history of troponin elevation, and now recurrent non-MI chest pain	Yes

^*Not applicable in acute coronary syndrome