While some individuals experience classic symptoms such as intense chest pain, others may have atypical or confusing symptoms, including chest tightness, shortness of breath, jaw or arm pain, nausea, or fatigue. The variability in symptoms can make it challenging for both patients and healthcare professionals to recognize a heart attack promptly.

from Times of India https://timesofindia.indiatimes.com/life-style/health-fitness/health-news/top-cardiologist-died-of-heart-attack-due-to-confusing-symptoms-how-to-recognise-these-symptoms-early/articleshow/101015600.cms