Heart Disease: Atrial fibrillation is often a harbinger of strok
Atrial fibrillation is the most common type of cardiac arrhythmia . According to estimates, around one percent of Germans are affected. But many do not know about their illness. Flicker is one of the main risks of stroke . Read here how the arrhythmia arises, what the warning signs are and why it is so dangerous.
Risk factor for stroke
Atrial fibrillation occurs when the heart atria due to the erroneous propagation of the heart currents no longer contract properly, but only twitch uncoordinated. In the normal state, the heart beats about 70 times a minute, while the atrial fibrillation can increase the heartbeat rate up to 150 beats per minute. This not only burdens the heart muscle, but also restricts the person’s ability to perform because of the reduced pumping capacity.
In contrast to the much rarer ventricular fibrillation, atrial fibrillation is not immediately fatal. However, in the atria, clots easily form, which can migrate into the bloodstream and eventually into the brain. Clog a blood vessel there, trigger a stroke. About 15 percent of strokes are due to atrial fibrillation. A heart failure can be caused by atrial fibrillation.
Tachycardia and anxiety as warning signals
Typical signs of atrial fibrillation are an irregular pulse, palpitations, shortness of breath and anxiety. Heart stumbling, dizziness and a strong drop in performance are warning signs that should be taken seriously. If the disease is detected early, not only can the quality of life of those affected be improved, and the risk of suffering a stroke is reduced. However, some sufferers remain completely symptom-free, so that the flicker remains undetected. Physicians therefore recommend regular check-ups. In addition, everyone should regularly checkhis blood pressure and heart rate.
Heart disease, high blood pressure and obesity as the cause
The causes of atrial fibrillation are manifold. The vast majority of sufferers already suffer from heart disease .These include, above all, sick coronary arteries, heart valve defects and myocardial diseases . About one third ofpatients have high blood pressure . It can also trigger the overactive thyroid gland . Risk factors are also diabetesand obesity . The therapy can only succeed if the underlying diseases are treated.
If a stroke occurs as a result of atrial fibrillation, it is always an emergency that requires immediate action. The typical signs are sudden vision or speech problems . Paralysis on one side of the body and feelings of numbness and severe headache can also occur.
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