PTA
prior to admission
PTB
pulmonary tuberculosis
PTCA
percutaneous transluminal coronary angioplasty
PTH
parathyroid hormone
PTT
partial thromboplastin time
PU
peptic ulcer
PUD
peptic ulcer disease
PUFA
polyunsaturated fatty acid
PVA
peripheral venous alimentation
PVC
premature ventricular contractions