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  1. Medically Reviewed by Jennifer Robinson, MD on August 15, 2022. Written by Sharon Liao. What’s in a Pathology Report? 4 min read. A pathology report is a medical document that gives information...

  2. 2023年9月19日 · What Do My Results Mean? 4 min read. This test checks the amount of certain antibodies called immunoglobulins in your body. Antibodies are proteins that your immune cells make to fight off...

  3. 2022年8月20日 · When your heartbeat returns to normal within 7 days, on its own or with treatment, it's known as paroxysmal atrial fibrillation. It can happen a few times a year or as often as every day. It...

    • Pathophysiology
    • Significance
    • Signs and symptoms
    • Overview
    • Prognosis

    A blood pressure reading appears as two numbers. The first and higher of the two is a measure of systolic pressure, or the pressure in the arteries when the heart beats and fills them with blood. The second number measures diastolic pressure, or the pressure in the arteries when the heart rests between beats.

    Optimal blood pressure is less than 120/80 (systolic/diastolic). In healthy people, low blood pressure without any symptoms is not usually a concern and does not need to be treated. But low blood pressure can be a sign of an underlying problem -- especially in the elderly -- where it may cause inadequate blood flow to the heart, brain, and other vi...

    Chronic low blood pressure with no symptoms is almost never serious. But health problems can occur when blood pressure drops suddenly and the brain is deprived of an adequate blood supply. This can lead to dizziness or lightheadedness. Sudden drops in blood pressure most commonly occur in someone who's rising from a lying down or sitting position t...

    Postural hypotension is considered a failure of the cardiovascular system or nervous system to react appropriately to sudden changes. Normally, when you stand up, some blood pools in your lower extremities. Uncorrected, this would cause your blood pressure to fall. But your body normally compensates by sending messages to your heart to beat faster ...

    The risk of both low and high blood pressure normally increases with age due in part to normal changes during aging. In addition, blood flow to the heart muscle and the brain declines with age, often as a result of plaque buildup in blood vessels. An estimated 10% to 20% of people over age 65 have postural hypotension.

  4. 2023年2月22日 · Breathe in slowly through your nose, feeling your stomach stretch out. Breathe out slowly through your mouth and repeat. The goal is to exhale for longer than it took to inhale. While this may ...

  5. 2023年2月20日 · AFib prevents blood from flowing normally from your heart's upper chambers (called the atria) to the lower ones (the ventricles). Blood can pool in the atria and form clumps called clots. If one...

  6. 2024年3月26日 · This test measures different parts of your blood, including red blood cells and white blood cells. Doctors use information from the CBC to calculate your MCH. Your doctor may use this measurement...