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  • Atrial fibrillation - Symptoms and causes - Mayo Clinic
    Causes of atrial fibrillation Changes with the heart's structure are the most common cause of atrial fibrillation (AFib) Heart diseases and health conditions that can cause AFib include: A heart condition you're born with, called a congenital heart defect A heart rhythm disorder that affects the heart's natural pacemaker, called sick sinus
  • Medical Diseases Conditions - Mayo Clinic
    Explore comprehensive guides on hundreds of common and rare diseases and conditions from the experts at Mayo Clinic
  • Fibromyalgia - Symptoms causes - Mayo Clinic
    Fibromyalgia is a long-term condition that involves widespread body pain The pain happens along with fatigue It also can involve issues with sleep, memory and mood Researchers think that fibromyalgia affects the way the brain and spinal cord process painful and nonpainful signals That increases your overall sensitivity to pain Symptoms often start after a triggering event Triggers can
  • Atrial fibrillation - Diagnosis and treatment - Mayo Clinic
    Diagnosis Atrial fibrillation (AFib) may be diagnosed when a health checkup is done for another reason To diagnose AFib, the healthcare professional examines you and listens to your heart You are usually asked questions about your medical history and symptoms Tests may be done to look for conditions that can cause changes in the heartbeat, such as heart disease or thyroid disease
  • Pulmonary fibrosis - Symptoms and causes - Mayo Clinic
    Pulmonary fibrosis is a lung disease that occurs when lung tissue becomes damaged and scarred This thickened, stiff tissue makes it harder for the lungs to work properly Pulmonary fibrosis worsens over time Some people can stay stable for a long time, but the condition gets worse faster in others As it gets worse, people become more and more short of breath
  • Tachycardia - Symptoms and causes - Mayo Clinic
    Causes Tachycardia is an increased heart rate for any reason If a fast heart rate is caused by exercise or stress, it's called sinus tachycardia Sinus tachycardia is a symptom, not a condition Most heart conditions can lead to different forms of tachycardia Irregular heart rhythms, called arrhythmias, are one cause
  • Uterine fibroids - Symptoms and causes - Mayo Clinic
    ECM also stores growth factors and causes biologic changes in the cells themselves Doctors believe that uterine fibroids may develop from a stem cell in the smooth muscular tissue of the uterus A single cell divides over and over In time it turns into a firm, rubbery mass distinct from nearby tissue The growth patterns of uterine fibroids vary
  • Heart arrhythmia - Symptoms and causes - Mayo Clinic
    Supraventricular tachycardia causes a pounding heartbeat that starts and stops suddenly Ventricular fibrillation Rapid, chaotic electrical signals cause the lower heart chambers to tremble instead of squeezing in a coordinated way This serious heart condition can lead to death if the heart isn't reset to a regular heart rhythm within minutes
  • Premature ventricular contractions (PVCs) - Symptoms causes - Mayo Clinic
    Premature ventricular contractions (PVCs) may not cause symptoms Sometimes the extra beats can cause unusual feelings in the chest, such as: Fluttering, pounding or jumping heartbeats Skipped beats or missed beats The changes may make you more aware of your heartbeat
  • Ventricular fibrillation - Symptoms causes - Mayo Clinic
    Ventricular fibrillation is a type of irregular heart rhythm (arrhythmia) During ventricular fibrillation, the lower heart chambers contract in a very rapid and uncoordinated manner As a result, the heart doesn't pump blood to the rest of the body Ventricular fibrillation is an emergency that requires immediate medical attention It's the most frequent cause of sudden cardiac death





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