Symptoms of a weak heart muscle include breathlessness, swelling in lower extremities, fatigue, irregular heartbeats and dizziness, according to Mayo Clinic. Cardiomyopathy is the technical term for this condition. These... More » Health Conditions & Diseases Cardiac Health

Some symptoms of a weak heart include difficulty in breathing, general body weakness, irregular heartbeat, nausea, loss of appetite, impaired thinking and swelling in certain body parts. A weak heart normally leads to he... More » Health Conditions & Diseases Cardiac Health

Weakness of the left side of the heart is called systolic heart failure and causes a decrease in the amount of blood that is pumped to the body from the heart, explains WebMD. Causes include coronary artery disease, card... More »

Symptoms of atrial fibrillation include irregular pulse, heart palpitations, fatigue, weakness, chest pain, confusion, shortness of breath, dizziness, fainting and lightheadedness, according to WebMD. However, some peopl... More »

Symptoms of heart ischemia, or ischemic cardiomyopathy, include shortness of breath, extreme tiredness or fatigue, fainting, lightheadedness, dizziness, pain and pressure in the chest, weight gain, heart palpitations, ed... More »

Symptoms of bradycardia include fatigue, dizziness, weakness, fainting and shortness of breath, according to Mayo Clinic. The condition can also cause confusion, memory problems, chest pain and rapid tiring with exertion... More »

Symptoms of pulmonary hypertension include fatigue, shortness of breath, chest pain or pressure, and dizziness or fainting spells, according to Mayo Clinic. Individuals may also experience swelling in the legs, ankles an... More » Health Conditions & Diseases Cardiac Health