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  • Sed rate (erythrocyte sedimentation rate) - Mayo Clinic
    Overview Sed rate, or erythrocyte sedimentation rate (ESR), is a blood test that can show inflammatory activity in the body Many health problems can cause a sed rate test result to be outside the standard range A sed rate test is often used with other tests to help your health care team diagnose or check the progress of an inflammatory disease
  • Blood pressure chart: What your reading means - Mayo Clinic
    A blood pressure measurement over 180 120 mm Hg is called a hypertensive emergency or crisis Seek emergency medical help for anyone with these blood pressure numbers Your healthcare team can tell you what the best blood pressure goal is for you If your blood pressure is OK, following a healthy lifestyle may prevent or delay high blood pressure or other health problems If your blood
  • Tachycardia - Symptoms and causes - Mayo Clinic
    Tachycardia (tak-ih-KAHR-dee-uh) is the medical term for a heart rate over 100 beats a minute Many types of irregular heart rhythms, called arrhythmias, can cause tachycardia A fast heart rate isn't always a concern For instance, the heart rate usually rises during exercise or as a response to stress
  • Ventricular tachycardia - Symptoms and causes - Mayo Clinic
    The fast heart rate doesn't allow the ventricles to fill and squeeze to pump enough blood to the body Many things can cause or lead to problems with heart signaling and trigger ventricular tachycardia These include: Prior heart attack Any heart condition that caused scarring of heart tissue, called structural heart disease
  • Heart arrhythmia - Symptoms and causes - Mayo Clinic
    The heart rate is greater than 100 beats a minute Bradycardia (brad-e-KAHR-dee-uh) is a slow heartbeat The heart rate is less than 60 beats a minute Fast heartbeat, called tachycardia Types of tachycardias include: Atrial fibrillation (AFib) Chaotic heart signaling causes a rapid, uncoordinated heartbeat
  • Bradycardia - Symptoms and causes - Mayo Clinic
    Bradycardia can be a serious problem if the heart rate is very slow and the heart can't pump enough oxygen-rich blood to the body If this happens, you may feel dizzy, very tired or weak, and short of breath Sometimes bradycardia doesn't cause symptoms or complications A slow heart rate isn't always a concern
  • Holter monitor - Mayo Clinic
    A Holter monitor is a small, wearable device that continuously checks the heartbeat It uses one or more sensors called electrodes and a recording device to measure the heart's activity The device is typically worn for a day or more during daily activities
  • Tachycardia - Diagnosis and treatment - Mayo Clinic
    The heart rate and rhythm and blood pressure are checked while you lie flat on a table Then, under careful supervision, the table is tilted to a standing position A member of your care team watches how your heart and the nervous system that controls it respond to the changes in position
  • Cardiopulmonary resuscitation (CPR): First aid - Mayo Clinic
    Cardiopulmonary resuscitation (CPR) is an emergency treatment that's done when someone's breathing or heartbeat has stopped For example, when someone has a heart attack or nearly drowns CPR can help save a life The American Heart Association recommends starting CPR by pushing hard and fast on the chest The pushes are called compressions This hands-only CPR recommendation is for both
  • Mayo Clinic corrected QT interval (QTc) calculator - Medical . . .
    This calculator calculates the heart rate-corrected QT interval and guides prescription decisions to prevent drug-induced QT interval prolongation





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