PQRST — Pain history
Structured pain assessment
Mnemonic device
PQRST
Mapping
P
Provocation / Palliation — what makes it worse / better
Q
Quality — sharp, dull, burning, aching, cramping, throbbing
R
Region / Radiation — where, where it goes
S
Severity — 0-10 numeric rating scale
T
Timing — onset, duration, pattern, prior episodes
Clinical note: Useful for chronic pain consult, post-op pain management, emergency pain assessment. Also OPQRST (adds 'Onset' explicitly).