Subarachnoid Hemorrhage

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Case comment on Ricottone v Long, 2025 BCSC 1388 (Supreme Court of British Columbia), defendant trial win for emergency medicine physician in delayed-diagnosis subarachnoid hemorrhage case; court found documented inquiry into gradual headache onset met the standard of care, and that the eventual SAH would not have been detectable on CT or lumbar puncture at the relevant earlier presentation. By Paul Cahill, LSO Certified Specialist in Civil Litigation.

Ricottone v Long: Thunderclap Headache, SAH Differential, and Counterfactual Causation

BC court dismisses ED malpractice claim involving missed subarachnoid hemorrhage where patient lacked thunderclap headache and the bleed had not yet occurred.

August 27, 2025

Missed in the ER, five dangerous diagnoses patients should know. Patient guide by Paul Cahill, LSO Certified Specialist in Civil Litigation.

Five Dangerous Diagnoses Missed in Ontario Emergency Rooms

Most ER visits are for minor concerns. For the small number that are not, missing the diagnosis can be fatal. Five conditions that recur in malpractice cases.

March 13, 2023

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Subarachnoid Hemorrhage

Ricottone v Long: Thunderclap Headache, SAH Differential, and Counterfactual Causation

Five Dangerous Diagnoses Missed in Ontario Emergency Rooms

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Concerned about medical negligence? Talk to Paul directly.

Concerned about medical negligence?
Talk to Paul directly.