Propofol = hypotension. Ketamine = dissociative, bronchodilator, raises ICP.

Halothane = hepatotoxicity. Sevoflurane = good for kids. Low MAC = high potency.

Spinal = L3-L4, PDPH risk. Epidural = continuous, labor analgesia.

Mallampati 1-4 (higher = difficult). Cormack-Lehane for laryngoscopy grading.

ARDS: P/F ratio < 300. Septic shock: warm initially, then cold. Norepinephrine = first line.