
First Interstate Bank
Dec 1, 2025 · Explore personal and business banking, loans, and digital tools backed by local service and community commitment.
Atrial fibrillation - Symptoms and causes - Mayo Clinic
Oct 3, 2025 · Atrial fibrillation (AFib) is an irregular and often very rapid heart rhythm. An irregular heart rhythm is called an arrhythmia. AFib can lead to blood clots in the heart. The condition …
FIB Definition & Meaning - Merriam-Webster
The meaning of FIB is a trivial or childish lie. How to use fib in a sentence. Synonym Discussion of Fib.
Atrial Fibrillation (A-Fib): Symptoms & Risk Factors | Brigham and ...
Atrial fibrillation (A-fib) is a type of arrhythmia (abnormal heartbeat) that affects almost five million Americans. It often originates in the left atrium (the upper left chamber of the heart). When …
Atrial Fibrillation: Prevention, Treatment and Research
Atrial fibrillation (often called “A-fib” or AF) is the most common type of abnormal heartbeat. It can be cause for concern since it dramatically increases the risk of stroke.
What is Atrial Fibrillation? - American Heart Association
Mar 26, 2025 · Atrial fibrillation is an irregular heartbeat, or arrhythmia. Atrial fibrillation, also known as AFib or AF, can lead to blood clots, stroke, heart failure and other heart-related …
Atrial Fibrillation (AFib) Signs, Symptoms and Treatment
Feb 5, 2025 · Atrial fibrillation (AFib) is a common type of irregular heartbeat that affects an estimated five million Americans.
Understanding Atrial Fibrillation (A-fib) | Veterans Affairs
Atrial fibrillation (A-fib) is the most common type of arrhythmia. An arrhythmia is any problem with the speed or pattern of the heartbeat. A-fib causes the heart to beat in an irregular pattern, …
Atrial Fibrillation – Symptoms and Causes | Penn Medicine
What is atrial fibrillation? Atrial fibrillation (AFib) is a common heart rhythm disorder where the heart’s upper chambers, called the atria, beat irregularly and out of sync with the lower …
Understanding Atrial Fibrillation (A-Fib) | UMass Memorial Health
Atrial fibrillation, or A-fib, is a common type of heart arrhythmia. It causes fast, chaotic electrical signals in the atria.