Myocardial Infarction Flashcards
Definition of MI
MI is defined as a condition which is caused by reduced blood 🩸 flow in a coronary artery due to arteriosclerosis and occlusion of an artery by an embolus or thrombus
MI is the irreversible damage of myocardial tissue caused by prolonged ischemia and hypoxia
MI is also known as Heart 🫀attack
A blockage of blood flow to the heart muscle.
A heart attack is a medical emergency. A heart attack usually occurs when a blood clot blocks blood flow to the heart. Without blood, tissue loses oxygen and dies.
Types of infarcts
Causes / Risk factors
Tobacco smoking 🚬
Hypertension
Obesity
Drug abuse
Age
Gender
Diabetes Mellitus
Stress
Excessive Alcohol 🍺 intake
Hyperlipoproteinaemia
Family history of ischemic heart disease 🦠
Chronic kidney disease
Hyperhomocysteinaemia
Pathophysiology
Clinical presentation
Chest pain— that radiates to neck and arms
Dyspnea
Fatigue
Weakness
Increased sweating 😓
Nausea
Vomiting 🤮
Lightheadedness
Palpitations
Anxiety 😟, sleeplessness, hypertension, Hypotension, Arrhythmia.
Chest pain in less in females, their common symptoms are weakness, Dyspnea and fatigue.
Complications
Arrhythmia
Cardiogenic shock
Congestive heart failure
Thromboembolism
Rupture
Cardiac aneurysm
Pericarditis
Investigations
Treatment Algorithm for MI