|
|
Did you know?
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Did you know?
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
Did you know?
Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.