Patent
Open’ (as in Patent Ductus Arteriosus).
Cardiac
Patent Ductus Arteriosus [PDA]
Refers to the situation when the ductus remains open after the early days or weeks of life, resulting in a shunt of blood between the aorta and the pulmonary artery.
Paroxysmal Supraventricular Tachycardia [PSVT]
An occasional rapid heart rate (150-250 beats per minute) that is caused by events triggered in areas above the heart’s lower chambers (the ventricles). See also supraventricular tachycardia (SVT)