Atrial Fibrillation
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Atrial Fibrillation
View Originalfigure 1Atrial fibrillation
This drawing shows where the heart is located in the chest. In atrial fibrillation, the electrical signals that control the heartbeat become abnormal. As a result, the top two chambers of the heart (shown in purple) stop pumping effectively, and blood that should move out of these chambers gets left behind.
Graphic 76873 Version 2.0
Atrial fibrillation
This drawing shows where the heart is located in the chest. In atrial fibrillation, the electrical signals that control the heartbeat become abnormal. As a result, the top two chambers of the heart (shown in purple) stop pumping effectively, and blood that should move out of these chambers gets left behind.
Graphic 76873 Version 2.0
Signs of stroke
The letters in the word "fast" help you remember the signs of stroke. If a person shows any of these signs, call an ambulance right away. In the US and Canada, dial 9-1-1.
Graphic 73487 Version 3.0
Signs of stroke
The letters in the word "fast" help you remember the signs of stroke. If a person shows any of these signs, call an ambulance right away. In the US and Canada, dial 9-1-1.
Graphic 73487 Version 3.0