Cough, Feeling of not being able to get enough air, Rapid heart rate (pulse) Feeling of not being able to get enough air, Pain or discomfort, Palpitations (fluttering in chest), Rapid heart rate (pulse) Palpitations (fluttering in chest), Pounding heart (pulse), Rapid heart rate (pulse), Shortness of breath.
The four main blood types are A, B, O and AB. They differ from each other by which antigens are present on the blood cells. They also have subgroups for each main types. So A has the sub group of AA or AO. Then there is the Rh or Rhesus blood type. Humans are usually +ive or -ive. With a number of antigens for this.
Over 100 years ago, it was discovered that people have different types of blood. The major types are O, A, B and AB. For a blood donation to be helpful to a patient, there has to be an appropriate match between the blood type of the donor and that of therecipient. Some types happily mix, while others do not. The common Type O can be safely transfused to patients with O, A, B or AB blood, but Type O patients can only receive blood from other Type O people. Each major blood group is divided into Rh negative or positive types. On average, 45% of the population is Type O, 40% Type A, 10% Type B, and 5% Type AB. Check the chart to see where you fit in. Is Your Blood Type Rare?