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Resource centre on India's rural distress
 
 

1 in 100 indians carries hidden heart risk, reveals study -GS Mudur

-The Telegraph

People with disorders may appear healthy but are susceptible to dangerous patterns of cardiac electrical activity that could cause palpitations, blackouts or even death

About one in 100 otherwise healthy Indians carries genetic variations linked to electrical disorders in the heart that can lead to sudden cardiac death, a study of 1,029 genomes has indicated.

The study, the first in India to estimate through genomes the population prevalence of disorders called cardiac ion channelopathies, underscores the importance of genetic tests to identify high-risk individuals who have no apparent health problems.

A team of genomics researchers and doctors found genetic variations linked to the channelopathies in 19 (1.8 per cent) of the 1,029 whole genomes obtained from the healthy volunteers. Of these 19, ten — 0.97 per cent of the total 1,029 volunteers — had genetic variations definitely known to cause these disorders.

People who have these disorders may otherwise appear healthy but are susceptible to dangerous patterns of cardiac electrical activity that could cause palpitations, blackouts or even sudden death, typically triggered by physical exertion or emotional stress.

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