What are the symptoms associated with a myocardial infarction?
Symptoms
- Pressure, tightness, pain, or a squeezing or aching sensation in your chest or arms that may spread to your neck, jaw or back.
- Nausea, indigestion, heartburn or abdominal pain.
- Shortness of breath.
- Cold sweat.
- Fatigue.
- Lightheadedness or sudden dizziness.
Why sweating occur in myocardial infarction?
The medical term for sweating here is diaphoresis, a well-known sign of a heart attack. This occurs due to activation of a defense mechanism known as the sympathetic nervous system, a kind of fight or flight response.
What causes infarction?
Infarction is tissue death or necrosis due to inadequate blood supply to the affected area. It may be caused by artery blockage, rupture, mechanical compression, or vasoconstriction.
Does the sympathetic nervous system cause sweating?
Sweating is under the control of the sympathetic nervous system, which orchestrates the body’s reaction to stressful situations and emergencies. The sympathetic nervous system activates the sweat glands through the chemical messenger acetylcholine.
What causes sweating and shortness of breath?
Sweating profusely when you don’t have a fever and are not exerting yourself or in a hot environment – especially if accompanied by other symptoms such as lightheadedness, shortness of breath, nausea, or chest pain – may be a symptom of a heart attack.
What is a subendocardial infarction?
Subendocardial infarction was defined as typical chest apin (greater than 15 minutes), serum enzyme elevation and persistent (greater than 48 hours) new T wave inversion and/or S-T segment depression in the absence of new pathologic Q waves.
What is Subendocardial?
Medical Definition of subendocardial : situated or occurring beneath the endocardium or between the endocardium and myocardium subendocardial blood loss.