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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.
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Excessive alcohol use costs the country approximately $235 billion every year.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.