A 56-year-old male with a history of hypertension for over 10 years was admitted to the emergency department due to sudden headache and hemiplegia after defecation, lasting 4 hours, accompanied by vomiting twice. Physical examination: BP 26/14 kPa (195/105 mmHg), left upper and lower limb muscle strength grade 0/5, hypotonia, and left-sided hemihypesthesia. Based on the clinical scenario, which of the following management options is incorrect?