Clinical writing on bedside pupillometry
Literature reviews, clinical commentary, and product notes — written for the clinician at the bedside.
The Pupil at the Bedside: A Primer on the Pupillary Light Reflex for Clinicians
Cornerstone essay. Neurobiology of the PLR, the reliability gap of the penlight exam, ICU and ER evidence, and where smartphone pupillometry fits — with peer-reviewed references verified against PubMed.
Triaging head injury and stroke without a CT scanner: a district-hospital playbook
Most Indian district hospitals manage head injuries and strokes without round-the-clock CT. The decision the casualty MO actually makes is not 'what is the diagnosis' but 'do I transfer, and how fast.' The pupil exam — done properly — is one of the few tools that survives that gap. A playbook for the no-CT setting, grounded in the published evidence.
Altered sensorium in the Indian ER: what 7 seconds of pupillometry can tell you
Altered sensorium accounts for 3–5 % of Indian ER visits and carries 36–42 % in-hospital mortality. The pupil exam is one of the few bedside tools that narrows the differential fast — but only if it is measured, not impressed. A primer on what quantitative bilateral pupillometry adds in the resus bay.