AZD2281
Azedra
AZD6244
Azoospermia
AZQ
Azygos vein
Azoxymethane
AZT
AC-T regimen
Acolbifene hydrochloride
AC-Taxol regimen
Acneiform rash
Acid-base equilibrium
Acid-base balance
Acid
Acquired thrombotic thrombocytopenic purpura
Acridine carboxamide
Acromegaly
AC-T
Acrylonitrile 

Afib

Meaning of Afib:

An irregular heartbeat that occurs when the electrical signals in the atria (the two upper chambers of the heart) fire rapidly at the same time. This causes the heart to beat faster than normal.

Although afib can occur without any signs or symptoms, it may sometimes cause fatigue, chest pain, heart palpitations, trouble breathing, low blood pressure, dizziness or fainting, weakness, and other signs and symptoms.

Afib may be caused by certain conditions, such as high blood pressure, heart attack, coronary artery disease, abnormal heart valves, congenital heart disease, lung disease, viral infections, or an overactive thyroid gland. Previous heart surgery, stress, or exposure to caffeine, tobacco, alcohol, or certain medicines may also lead to afib. It may go away on its own or it may last for many years.

Risk Factor For Afib

If not treated, afib can lead to serious problems, such as blood clots, stroke, and heart failure. It is more common in older adults. Also called atrial fibrillation.

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