Major geographical features of Botswana. The Kalahari a waterless place, a vast arid to semi-arid area in Southern Africa covering much of Botswana and parts of Namibia and South Africa.
Medical Definition of bypass. : a surgically established shunt cardiopulmonary bypass of blood from the right atrium to the aorta; also : a surgical procedure for the establishment of a shunt âWhen a bypass is performed on more than one coronary artery or branch, the number of times (double, triple, etc.) is often specified. bypass.
Coronary artery bypass graft surgery (also called coronary artery bypass surgery, CABG, and bypass operation) is performed to restore blood flow to the heart. This relieves chest pain and ischemia, improves the patient's quality of life, and in some cases, prolongs the patient's life.