in genetics, base pair. In general medicine, blood pressure (but usually in capital letters as bp).
Commonly used abbreviation for blood pressure. For example, in a medical chart, you might see scrawled BP90/60 T98.6 Ht60/reg R15 , which is short hand signifying that the blood pressure is 90/60 mm hg, the temperature (T) is 98.6 degrees fahrenheit, the heart rate (Ht) is 60 beats/min and regular, and the respirations (r) 15/min. (this would be entirely normal for an adult or older child).