case_images: PMC10850442_01
case_images: ECG of the patient. A: 12-lead ECG showing bradycardia initially followed by ventricular paced rhythm;  B: ECG showing global ST-segment elevation; C: ECG showing resolution of ST-segment elevation after nitroglycerin administration
case_images: cureus-0016-00000051902-i01.jpg
case_images: PMC10850442_01_cureus-0016-00000051902-i01.jpg
case_images: FIG1
case_images: The patient required temporary pacing after failing to respond to atropine (Figure 1 A). The 12-lead ECG revealed global ST-segment elevation (Figure 1 B). Blood pressure returned to baseline, and the EKG showed resolution of the ST elevation and bradycardia (Figure 1 C).
case_images: Left heart coronary angiogram showing significant spasm of the left main coronary artery
case_images: cureus-0016-00000051902-i02.jpg
case_images: PMC10850442_01_cureus-0016-00000051902-i02.jpg
case_images: FIG2
case_images: Immediate coronary angiography revealed a significant spasm of the left main coronary artery with no signs of air embolism (Figure 2).
case_images: Left heart coronary angiogram showing resolution of the spasm after intracoronary nitroglycerin
case_images: cureus-0016-00000051902-i03.jpg
case_images: PMC10850442_01_cureus-0016-00000051902-i03.jpg
case_images: FIG3
case_images: After nitroglycerine administration, the vasospasm completely resolved (Figure 3), improving the patient's clinical condition.