Welcome to our cozy corner of the web where we unravel the mysteries of health, one heartbeat at a time. Today, we’re talking about a topic that’s serious but, fear not, we’ve got Umedoc in our corner to keep things light and informative! The Unwelcome Guest: Heart Attacks Picture this: Your heart, the diligent pump of…
In the quiet chambers of the heart, where rhythm weaves its delicate tapestry, there exists a clandestine waltz—an aberrant dance known as atrial fibrillation. Imagine the atria, those upper chambers, pirouetting in disarray, their beats like whispered secrets carried on the wind. But this is no ordinary ballet; it is a symphony gone awry. The Unraveling…
What is a Heart Attack? A heart attack, or myocardial infarction (MI), occurs when coronary arteries are completely blocked, leading to insufficient blood flow to the heart muscle. When tissues do not get enough blood flow and oxygen for an extended period of time, they necrose (die) and cannot perform their function. There are many…
What is atrial fibrillation? Atrial fibrillation is the most common cardiac arrhythmia. Cardiac remodeling results in changes to the atria that eventually cause the change of rhythm. Atrial fibrillation typically occurs when an initiating trigger excites an ectopic focus in the atria, this allows for an unsynchronized firing of electrical impulses which causes fibrillation of…
