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.
A quadruple bypass is a very serious surgery and complicated open heart procedure that is done to improve the blood flow that feeds the heart. Many people are diagnosed with heart disease--and the need for surgery--after experiencing chest pain, shortness of breath or common symptoms like arm or jaw pain.