PLAT and Stroke: Intravenous tissue plasminogen activator (tPA) was administered at a lower dose of 0.6 mg/kg, 151⁄2 hours after symptom onset, and a CT angiogram done 24 hours post-thrombolysis showed partial recanalization of the M1 segment of the MCA and intermediate collateral supply (Alberta stroke program early CT {ASPECT} score: 6).