Cardiomyopathy is a group of diseases that affect the heart muscle, altering its structure and function. It can cause the heart to become enlarged, thickened, or rigid, ultimately weakening its ability to pump blood efficiently. Over time, cardiomyopathy may lead to heart failure, arrhythmias, or other serious cardiovascular complications.

Overview of Cardiomyopathy
Cardiomyopathy is distinct from neurological symptoms such as dizziness or vertigo, although light-headedness may occur due to reduced cardiac output. It is not always life-threatening, and many people live with stable forms of the condition for years with proper management.
There are several types of cardiomyopathy, including dilated, hypertrophic, and restrictive cardiomyopathy, each with different causes and progression paths. Diagnosis typically involves echocardiography, ECG, and sometimes genetic testing.
Symptoms of Cardiomyopathy
Common signs and symptoms of cardiomyopathy include:
- Shortness of breath, especially during activity or lying down
- Fatigue and decreased stamina
- Swelling (edema) in the legs, ankles, feet, or abdomen
- Irregular heartbeats or palpitations
- Dizziness or episodes of light-headedness
- Fainting in severe cases
Cardiomyopathy: Causes and Risk Factors
Cardiomyopathy can result from genetic or acquired factors. Major causes include:
- Coronary Artery Disease
- High Blood Pressure
- Inherited Cardiomyopathy
- Myocarditis
- Alcohol
- Chemotherapy or radiation exposure
Other contributing factors include obesity, diabetes, and thyroid disorders.
When to See a Doctor for Cardiomyopathy?
Seek medical attention if you experience:
- Chest pain, fainting, or confusion
- Persistent shortness of breath or swelling
- Irregular heartbeat or frequent palpitations
These may indicate worsening cardiomyopathy or onset of heart failure.
FAQs – About Cardiomyopathy
When should I go to the ER for cardiomyopathy?
Go immediately if you experience fainting, chest pain, confusion, or severe shortness of breath.
How can heat and dehydration affect cardiomyopathy?
Dehydration and heat stress—common in hot regions like the UAE—can worsen symptoms. Stay hydrated, especially during travel or fasting.
What are some ways to reduce the risk of cardiomyopathy?
Adopt a heart-healthy lifestyle: regular exercise, low-sodium diet, limited alcohol, and management of blood pressure and cholesterol.
Related Terms
- Ulcerative Colitis
- Gallstones
- Cardiomyopathy
- Heart Failure
- Arrhythmia
