Dehydration can precipitate heart attack in susceptible individuals. Dehydration can be dangerous in patients with uncontrolled blood pressure or diabetes. In these patients, dehydration can make the blood thicker and precipitate heart attack.
Dehydration is common in summer, and with the rising temperatures, chances of a person developing dehydration increase. A person, therefore, needs to increase fluid intake during summer.
The normal fluid requirement is 30 ml per kg weight, but the same needs to be increased in the summer because of the loss of fluid from sweating. Apart from water, sodium (Na) or salt is also lost.
Walking is a necessity for heart patients and it should be continued even during peak summer but the peak heat periods should be avoided. One can walk early in the morning or late in the evening.
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