Abbreviation Meaning
PA posteroanterior
PC presenting complaints; post cibum (after food)
PCA patient-controlled analgesia; percutaneous coronary angioplasty
PCI percutaneous endoscopic gastrostomy
PEFR peak expiratory flow rate
PEG percutaneous endoscopic gastrostomy
PERL pupils equal and reactive to light
PERLA pupils equal and reactive to light and accommodation
PICU paediatric intensive care unit
PIPJ proximal interphalangeal joint
PMH past medical history
PN percussion note
PND paroxysmal nocturnal dyspnoea; postnasal drip
PNS peripheral nervous system; postnasal space (nasopharynx)
PO per os (by mouth)
POP plaster of Paris; progestogen-only pill
PP peripheral pulses
PR per rectum
PRN (in prescribing) pro re nata (as required)
PSH past surgical history
PSM pansystolic murmur
Pt patient
PU passing urine
PUO pyrexia of unknown origin
PV per vaginum
QDS quarter die sumendus (to be taken four times a day)
ROM range of movement
RR respiratory rate
RS respiratory system
RT radiotherapy
RUL right upper lobe (of lung)
RUQ right upper quadrant (of abdomen)
Rx therapy (or treatment)
SC subcutaneous
SCBU special care baby unit
S/E side-effect
SEMS self-expanding metal stent
SH social history
SI sexual intercourse
SL straight leg raise
SMI severe mental illness
SOB shortness of breath
SOBOE shortness of breath on exertion
SOS in an emergency
SPECT single photon emission computing tomography
SR/ROS systems review/review of systems
Stat (in prescribing ) statim (immediately)
STEMIS-T elevation myocardial infarction
T temperature
TB tuberculosis
TCI to come in (to hospital)
TDS ter die sumendus ( to be taken three times a day )
TEMS transanal endoscopic microsurgery
Ti tinnitus
TIA transient ischaemic attack
TM tympanic membrane
TOE transoesphageal echocardiography
TOP termination of pregnancy
TPP time, place, person
TPRS tone, power, reflexes, sensation
Ts&As tonsillectomy and adenoidectomy
TTA to take away (drugs)
TTO to take out (drugs)
TVF/VF tactile vocal fremitus/ vocal fremitus
TWOC trial without catheter