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High Blood Pressure Blood pressure refers to the force that blood exerts on the walls of the arteries as it flows through them. Ideally, a person’s diastolic blood pressure should be below 120 and their systolic blood pressure below 80. High blood pressure starts when...

Angina Overview Angina is a feeling of pain, squeezing, or pressure in the chest. It happens when a part of the heart does not receive enough oxygen. It is a type of chest pain caused by reduced blood flow to the heart. Angina is a symptom of coronary artery disease....

Heart Block Overview Heart block is a type of arrhythmia, which affects the electrical system of the heart. In heart block, the heart beats irregularly and slower than usual. This is due to a delay, obstruction, or disruption along the pathway that electrical impulses...

Beta Blockers Overview Beta-blockers are drugs that can lower stress on the heart and blood vessels. They can also help manage migraine, anxiety, tremor, and other conditions. Other names for beta-blockers include beta-antagonists, beta-adrenergic blocking agents, and...

Pulmonary Embolism Overview A pulmonary embolism is a blockage in the pulmonary artery, which supplies the blood to the lungs. It is one of the most common cardiovascular diseases in the United States. Pulmonary embolism affects around 1 in 1,000 patients in the U.S....

Low Blood Pressure (Hypotension) Overview Low blood pressure, or hypotension, can lead to dizziness and faintness. It is less likely than high blood pressure to be problematic, but it can sometimes indicate an underlying health issue. Blood pressure readings...

Blood Pressure Overview Blood pressure is the amount of force your blood uses to get through your arteries. When your heart pumps, it uses force to push oxygen-rich blood out to your arteries. They bring it to your body’s cells and tissues. If your blood pressure is...

Orthostatic Hypotension Orthostatic hypotension, also called postural hypotension, is defined as a sudden drop in blood pressure caused by a change in posture, such as when a person stands up quickly. When a person stands up after sitting or lying down, blood normally...

Amnesia Overview Amnesia is a form of memory loss. It is when a person can no longer recall information that is stored in their memory. A person who is a little forgetful in their day-to-day life does not have amnesia. Amnesia refers to a large-scale loss of long-term...

Blurry Vision Overview People experiencing sudden blurry vision may find it difficult to see clearly or manage their usual tasks. Although not all instances are a cause for concern, some may require medical treatment. A loss of sharpness of eyesight can make objects...

Concussion Overview Concussions are brain injuries that result from the brain hitting the skull or a strain on neural tissue due to excessive force. This force can be direct, like a hit to the head, or indirect, like whiplash in a car accident. Concussion is also...

Confusion Overview Confusion is a symptom that makes you feel as if you can’t think clearly. You might feel disoriented and have a hard time focusing or making decisions. Confusion is also referred to as disorientation and in its extreme state, it’s referred to as...

Balanced Diet Overview A balanced diet includes foods from five groups and fulfills all of a person’s nutritional needs. Eating a balanced diet helps people maintain good health and reduce their risk of disease. Dietary guidelines evolve with scientific advances, so...