Heart attack - Symptoms & causes - Mayo Clinic
2023年10月9日 · Chest pain or pressure (angina) that keeps happening and doesn't go away with rest may be an early warning sign. Angina is caused by a temporary decrease in blood flow to the heart. Get help right away if you think you're having a heart attack. Take these steps: Call for emergency medical help.
Warning Signs of a Heart Attack | American Heart Association
2024年12月12日 · Most people having a heart attack feel discomfort in the center of the chest. It can last more than a few minutes, or it may go away and then return. It can feel like uncomfortable pressure, squeezing, fullness or pain. Discomfort in other areas of the upper body. Symptoms can include pain or discomfort in the: Shortness of breath.
Myocardial Infarction - StatPearls - NCBI Bookshelf
2023年8月8日 · Relief of pain, breathlessness, and anxiety: The chest pain due to myocardial infarction is associated with sympathetic arousal, which causes vasoconstriction and increased workload for the ischemic heart.
Myocardial Infarction (Heart Attack): Symptoms and More - Healthline
2021年11月3日 · Acute myocardial infarction, also known as a heart attack, occurs when blood flow to the heart muscle is abruptly cut off, causing tissue damage. This is usually the result of a...
Myocardial infarction - Wikipedia
Myocardial infarction (MI) refers to tissue death (infarction) of the heart muscle (myocardium) caused by ischemia, the lack of oxygen delivery to myocardial tissue. It is a type of acute coronary syndrome, which describes a sudden or short-term change in symptoms related to blood flow to the heart. [ 22 ] .
Heart Attack (Myocardial Infarction): Signs, Causes, Treatment
2024年9月19日 · Symptoms of a heart attack or MI may include chest discomfort often described as a pain, pressure, or tightness associated with shortness of breath, sweating, and nausea. The goal for medical care is to restore blood supply back to the heart as soon as possible -- that time is measured in minutes.
Acute Myocardial Infarction - StatPearls - NCBI Bookshelf
2023年9月3日 · Identify the signs and symptoms of acute myocardial infarction through comprehensive patient assessment and interpretation of diagnostic findings. Assess the severity and extent of myocardial damage using diagnostic tests such as electrocardiography (ECG), cardiac biomarkers, and imaging modalities.
Acute Myocardial Infarction (MI) - Acute Myocardial Infarction (MI ...
Acute myocardial infarction is myocardial necrosis resulting from acute obstruction of a coronary artery. Symptoms include chest discomfort with or without dyspnea, nausea, and/or diaphoresis. Diagnosis is by electrocardiography (ECG) and the presence or absence of biomarkers.
Heart Attack (Myocardial Infarction) Signs & Symptoms | RUSH
A heart attack (also known as a myocardial infarction, or MI) happens when part of your heart muscle is damaged or dies due to a lack of blood flow to the area, which deprives it of oxygen. The leading cause of heart attack is atherosclerosis, which occurs when fatty material (plaque) is deposited along the walls of arteries.
Signs and Symptoms of a Heart Attack - Verywell Health
2023年10月13日 · The symptoms of an acute heart attack, also called a myocardial infarction (MI), can range from telltale chest pain to less obvious indications such as sweating, nausea, fatigue, and/or a sense of impending doom.