Herbs are not regulated by the FDA for safety or efficacy. So search the label for a seal of approval from the USP (United States Pharmacopeia) or CL (Consumer-Lab.com), which indicates it has been approved by certified academic laboratories.
Radial artery puncture is a medical procedure performed to obtain a sample of arterial blood for gas analysis. Also it is beginning in TRA Trans Radial Access Cardiac coronary angioplasty. A needle is inserted into the radial artery and spontaneously fills with blood. The syringe is either prepacked with a small amount of heparin to prevent coagulation, or must be heparinised, by drawing up a small amount of heparin and squirting it out again. Most commonly, femoral and radial artery puncture is performed to obtain arterial blood sampling for gas analysis. The partial pressures of oxygen (PaO2) and carbon dioxide (PaCO2), and the pH of arterial blood are important in assessing pulmonary function. These data indicate the status of gas exchange between lungs and blood.
Test for Carotid Arterial Blockage. It is the carotid artery that supplies blood to the brain and it passes through the neck. Blocked arteries in neck, may lead to stroke if not taken care of. In the past, test for this condition was not that advanced as it is today.he test helps detect any heart diseases or a heart attack which may have occurred in the past. An angiogram test can also be carried out to detect blocked arteries. The procedure includes injecting a special dye into the arteries after which a scan of the arteries is carried out.