Understanding Myocardial Infarction: Types, Causes, Symptoms, and Prevention
Myocardial Infarction(Heart Attack):
Its medical name is Heart Attack.
It is the most important type of IND (Ischemic Heart Disease ) and the leading cause of death all over the world.
A heart attack acute myocardial infarction (MI) occurs when one artery supplying blood to heart muscles becomes blocked.
A condition characterized by the death of cardiac tissue due to disturbed
or obstructed blood supply is termed myocardial infarction or acute myocardial infarction.
Risk Factors of Myocardial Infarction:
Age above 45 years in women and above 55 years in men.
Tobacco use.
Alcohol Consumption.
Stress.
Sex (Males have more risk than women).
Etiology:
Atherosclerosis.
Ventricular Hypertrophy.
Hypertension.
Decreasing Oxygen Delivery.
Heavy excretion of oxygen by the heart.
Ischemia.
Type of Myocardial Infarction:
Transmural Myocardial Infarction:
(in which full thickness of myocardial).
A transmural acute myocardial infarction is the death of myocardial tissue from the endocardium to the epicardium.
Non-Transmural Myocardial Infarction Or SubendoCardial:
Subendo Cardiol acute myocardial involves the innermost layer and sometimes part of a medial layer of myocardium but does not extend the epicardium.
Causes of Myocardial Infarction:
A. Atherosclerosis
Myocardial infarctions are formidable foes, but we may considerably reduce the risk by being knowledgeable, cautious, and proactive with our lifestyle choices. Let's put the health of our most vital organ first and take charge of our cardiovascular system.
B. Blood Clots
Blood clots can get stuck in constricted coronary arteries and cause a heart attack, whether they originate in the heart or move there from another region of the body.
C. Coronary Artery Spasm
Any blood clot, whether it originates in the heart or travels there from another part of the body, has the potential to become lodged in narrowed coronary arteries and result in a heart attack.
Emergency Response
What to Do During a Heart Attack
If you suspect a heart attack, call emergency services immediately. Chew aspirin if available, and stay calm. Performing CPR if the person becomes unconscious is critical until professional help arrives.
Importance of Seeking Immediate Medical Help
Time is of the essence during a heart attack. Seeking medical help promptly enhances the chances of successful treatment and minimizes heart damage.
Pathophysiology:
Atherosclerosis Arterial Spasm Thrombus
(It blocks the thrombosis) + Artery + Usually not suddenly reversible
⇓ ⇓ ⇓
Gradual Obstruction + Sudden reversible + Occlusion
Obstruction.
⇓ ⇓ ⇓
Ischemia.
⇓
Hypoxia (Body tissue O2 Demand: it is known as hypoxia).
⇓
Reduce the oxygen demand Thrombolysis.
⇓
Permanent Thrombus.
⇓
Necrosis.
⇓
Observe Myocardial Infarction.
Diagnosis:
Chest X-ray
ECG
Blood Test
CT Scan
MRI (cardiac)
Exercise, Stress test.
Signs and Symptoms:
Sudden chest pain
Nausea and Vomiting
Blurred vision
Sweating
Shortness of Breathing
Mind fever.
Treatment:
Blood Thinner
Thrombolet
Nitroglycerine
Beta-blocker
ACE inhibitor
Pain Reliever
Conclusion:
Myocardial infarctions are strong opponents, but we may greatly lower the risk by being informed, vigilant, and making proactive lifestyle choices. Let's prioritize the health of our most important organ and take control of our heart health.
Disclaimer:
This blog post provides valuable information about myocardial infarction, covering its definition, risk factors, types, causes, and pathophysiology. However, it is essential to note that the content is for informational purposes only. Readers should consult medical professionals for personalized advice. The author is not liable for any decisions based on this information.
FAQs Of Myocardial Infarction:
What is Myocardial Infarction?
Myocardial Infarction, commonly known as a Heart Attack, occurs when a coronary artery supplying blood to the heart muscles is blocked, leading to the death of cardiac tissue due to disrupted blood supply.
What are the Risk Factors of myocardial infarction?
Age (above 45 for women, 55 for men), tobacco use, alcohol consumption, stress, and gender (males are at higher risk).
What are the Types of Myocardial Infarction?
There are Transmural (full thickness) and Non-Transmural (SubendoCardial) types, affecting different layers of the myocardium.
What Causes Myocardial Infarction?
The main causes include atherosclerosis, blood clots, and coronary artery spasms. Lifestyle choices play a significant role in reducing risks.
How is Myocardial Infarction Diagnosed?
Diagnosis involves chest X-ray, ECG, blood tests, CT scan, MRI (cardiac), and exercise/stress tests.
What are the Signs and Symptoms of myocardial infarction?
Symptoms include sudden chest pain, nausea, vomiting, blurred vision, sweating, shortness of breath, and mild fever.
Is there an age limit for heart attacks?
While the risk increases with age, heart attacks can occur at any age, including in young individuals.