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Saliva can detect heart attack: Heart disease is the leading cause of death in United States. A new chip has been developed to diagnose heart attack early just by using the patient's saliva. This chip almost the size of a credit card detects the proteins which are the indicators of heart disease. This test can tell if a patient is having a heart attack necessitating treatment, and also tell whether the person is at risk for it. This new non-invasive technique found by researchers at University of Texas maybe useful in preventing further cardiac damage which may later become irreversible and permanent. The test works like this-A patient spits into a tube and the saliva is then transferred to a credit card-sized lab card that holds the nano-bio-chip. The loaded card is inserted like an ATM card into an analyzer that manipulates the sample and analyses the patient's cardiac status on the spot within 15 minutes.
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