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Signs and symptoms of Marfan syndrome depend on which parts of the body are affected and the severity of the condition. Some people have few or no signs or symptoms, while others experience severe symptoms or life-threatening complications.

Signs and symptoms of circadian rhythm disorders can vary depending on the type of circadian rhythm disorder you have and how severe your condition is. Many of the symptoms of circadian rhythm disorders occur because you are not getting enough good-quality sleep when your body needs it. Undiagnosed and untreated circadian rhythm disorders may increase your risk of certain health conditions or cause workplace or road accidents.

Your doctor may diagnose a pleural disorder based on your medical history, a physical exam, and diagnostic tests and procedures. Before diagnosing you with a pleural disorder, your doctor will rule out other medical reasons or conditions that may be causing your signs and symptoms.

Pacemakers use low-energy electrical pulses to control the rate and rhythm of your heartbeat. Traditional pacemakers send the electrical pulses through wires, also known as leads. Wireless pacemakers are a newer kind of pacemaker without wires.

Your doctor will diagnose DIC based on your medical history, a physical exam, and tests. Your doctor will also look for the cause of DIC, because it does not occur on its own.

If you have been diagnosed with insomnia, follow your treatment plan and make healthy lifestyle and sleep changes. The following steps can help prevent your insomnia from returning or getting worse.

Risk factors for DIC include infection, injury, lifestyle habits, and other medical conditions.

Living with peripheral artery disease and its symptoms requires ongoing health care and heart-healthy lifestyle changes. Talk to your doctor about taking part in a supervised exercise program, maintain routine foot care and inspection for sores, and take all medicines as prescribed.

The chemicals in tobacco smoke harm your blood cells. Smoking can also damage the function of the heart and the structure and function of blood vessels, leading to atherosclerosis and its complications (coronary heart disease, heart attack, heart failure, arrhythmia, peripheral artery disease, and stroke).

A heart attack happens when the flow of oxygen-rich blood to a section of heart muscle suddenly becomes blocked and the heart can’t get oxygen. If you think you or someone else may be having heart attack symptoms or a heart attack, call 9–1–1 for emergency medical care.