What is progestin Progestin is a form of progesterone, a hormone that plays a role in the menstrual cycle and pregnancy. Progesterone is the naturally

What is pulmonary fibrosis Pulmonary fibrosis is a lung disease in which the tissue deep in your lungs becomes scarred and damaged over time. This

What is Prinzmetal angina Prinzmetal angina also called vasospastic angina or variant angina, is a known clinical entity characterized by chest pain at rest with

What is pleurodesis Pleurodesis is a medical procedure that uses chemicals or drugs to cause inflammation and adhesion between the layers of the pleura (a

What is premature atrial contraction Premature atrial contractions also known as atrial premature complexes or atrial premature beats, are a common cardiac arrhythmia characterized by

What is pleurodynia Pleurodynia also called Bornholm disease, Devil's grippe, epidemic myalgia  or epidemic pleurodynia ((Huebner R.J., Risser J.A., Bell J.A., Beeman E.A., Beigelman P.M., Strong J.C.

What is pilonidal sinus A pilonidal sinus is a small hole or tunnel in the skin at the top of the buttocks (natal cleft), where

What is Poland syndrome Poland syndrome is a rare condition that is evident at birth (congenital). Poland syndrome is characterized by an underdeveloped or absent

What is periodic fever syndrome Periodic fever syndromes are a group of diseases characterized by recurrent episodes of fever with healthy intervals between febrile episodes

What is postural hypotension Postural hypotension also called orthostatic hypotension, is defined as a sudden drop in blood pressure upon standing from a sitting or