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Buildup of plaque and blood clots causing blockage of an artery that supplies oxygen-rich blood to the brain can cause an ischemic stroke, while sudden bleeding from causes such as high blood pressure can result in a hemorrhagic stroke.

Vasculitis occurs when your immune system injures your blood vessels by mistake. What causes this to happen is not fully known, but when it occurs, your blood vessels become inflamed and can narrow or close off. Rarely, the blood vessel wall may weaken, causing it to expand or bulge. This bulge is known as an aneurysm.

You may have an increased risk for angina because of your age, environment or occupation, family history and genetics, lifestyle, other medical conditions, race, or sex.

Risk factors for heart inflammation depend on the type of heart inflammation. Risk factors may include age; sex; certain genetic conditions; environment; lifestyle choices; medical conditions such as certain cancers, diabetes and HIV/AIDS; and medical procedures including artificial heart valves, pacemakers, and radiation therapy.

The main types of arrhythmia are bradyarrhythmias; premature, or extra, beats; supraventricular arrhythmias; and ventricular arrhythmias.

VTE occurs in the veins that carry blood to your heart. Blood clots can develop in veins damaged by surgery or trauma, or a result of inflammation in response to an infection or injury.

Sleep plays a vital role in good health and well-being throughout your life. The way you feel while you are awake depends in part on what happens while you are sleeping. During sleep, your body is working to support healthy brain function and maintain your physical health. In children and teens, sleep also helps support growth and development. Getting inadequate sleep over time can raise your risk for chronic health problems. It can also affect how well you think, react, work, learn, and get along with others. Learn how sleep affects your heart and circulatory system, metabolism, respiratory system, and immune system and how much sleep is enough.

Energy imbalances, some genetic or endocrine medical conditions, and medicines are known to cause overweight or obesity.

Your doctor will diagnose sarcoidosis based on your symptoms, a physical exam, imaging tests, or a biopsy of an affected organ. The doctor will also do tests to rule out other diseases that have similar signs and symptoms.

One of the most serious and common risks of being on a ventilator is pneumonia. The breathing tube makes it hard for you to cough. Coughing helps clear your airways of germs that can cause infections. The breathing tube that is put into your airway can allow bacteria to enter your lungs. As a result, you may develop pneumonia.