Which type of stroke is characterized by sudden headache, nausea, vomiting, and loss of consciousness, often in the setting of hypertensive hemorrhage?

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Hemorrhagic stroke occurs when a blood vessel ruptures and bleeds into brain tissue, and chronic hypertension makes this rupture more likely. The combination of a sudden severe headache, nausea and vomiting, and loss of consciousness fits an intracerebral bleed caused by hypertensive rupture of small penetrating arteries (often in regions like the basal ganglia, thalamus, pons, or cerebellum). This pattern is different from ischemic stroke, which stems from a blockage and typically presents with focal neurologic deficits without the abrupt hemorrhagic symptoms. Subarachnoid hemorrhage can also cause a sudden, thunderclap headache, but the scenario emphasized hypertensive hemorrhage into brain parenchyma, pointing to a hemorrhagic stroke.