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Signs and Symptoms of Cardiac Arrest

Cardiac Arrest Overview Sudden cardiac arrest occurs when an electrical malfunction causes the heart to stop beating. It prevents blood flow to the organs, and this can be fatal without immediate treatment. Below, we look at what happens during sudden cardiac arrest,...

Causes and Symptoms of Gangrene

Gangrene Overview Gangrene occurs when a lack of oxygen-rich blood causes tissue to die in some part of the body, often the hands or feet. It is a serious condition that can result in amputation of a limb or death. It needs urgent treatment to halt the spread of...

Causes of Lightheadedness

Lightheadedness Overview A person can experience lightheadedness for a variety of reasons. These include hypotension, inner ear disorders, and illness. Lightheadedness is a feeling of faintness, dizziness, or being close to passing out. It can occur alongside vertigo,...

Slow Heart Rate (Bradycardia)

Bradycardia Overview Bradycardia refers to a resting heart rate that is slower than usual. A heart rate of fewer than 60 beats per minute may indicate an underlying health issue, but this is not always the case. According to the American Heart Association (AHA), a...

Blood Pressure Meds Side Effects

Medications for high blood pressure can help prevent a range of complications, including heart disease and stroke. Lotensin, Inderal, and Teveten are just some of the names your doctor may recommend According to the American Heart Association, the types of medications...

Types of Calcium Channel Blockers

Calcium Channel Blockers Overview Calcium channel blockers are medications used to lower blood pressure. They work by increasing the flow of blood and oxygen to the heart. There are two types of calcium channel blockers that help treat conditions differently and may...