GSTM1 and subarachnoid hemorrhage: CBP: Hb: 12.7 g/dL; WBC & platelets: normal; CRP: normal (<6 mg/L); blood C/S: no bacterial growth. APTT*-45.9 sec; PT*: 15.8 sec; INR: 1.17; D-dimer: 1427 ng/mL (normal value <500 ng/mL); pro-BNP: 7042 pg/mL (10-115 pg/mL); APLA: normal; MRI - acute infarct in left parietal region, subdural hemorrhage in parieto occipital region & subarachnoidal hemorrhage in posterior parietal region; 2D Echo: normal; chest x-ray: normal