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Experts at the Cardiovascular Clinic in Palm Beach, USA, said that death from heart attack does not occur without symptoms, so it is necessary to know them in time.
The study revealed many symptoms that indicate an approach to cardiac arrest.
Attention must be paid to chest pain or left shoulder, shortness of breath, dizziness, nausea, change in the number of heart beat significantly. In addition, evidence can be weakened in the event of loss of consciousness, a sharp increase in pressure, facial color change, severe sudden fatigue.
About 80 percent of the symptoms appear within the interval from four weeks to one hour before the sudden heart attack, according to the journal Medecom.
When these symptoms occur, especially if you notice many of them at the same time, you should consult your doctor immediately.
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