PMC8106406_01
Electrocardiography on arrival (a) and time of hospital discharge (b)
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F1
On the electrocardiography (ECG), ST-T segment changes [Figure 1a], slow ventricular tachycardia or accelerated idioventricular rhythm, and atrioventricular dissociation were observed. At admission, her heart rate was 105 bpm [Figure 1a] and the blood pressure was 130/100 mmHg. Transthoracic echocardiography and ECG were normal at discharge [Figure 1b], left ventricular size and function were normal, and no evidence of wall motion abnormalities was seen.
Angiogram showing unobstructed coronary arteries
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F2
Emergency coronary angiography (diagnostic for ACS) showed coronary arteries without obstruction and no abnormalities were seen [Figure 2].