Consider the following medical report that includes the patient's historical health records. Use it to predict the disease that the patient is high likely exposed to. 

 Medical Report: history of present illness: the patient is a 76 year-old gentleman transferred from to after being found on the floor of his . he was found conscious, but behaving unusually. he has a history of alzheimer's disease reportedly having some episodes of sinus bradycardia alternating with sinus rhythm at a right bundle branch block at the outside hospital. past medical history: alzheimer's and status post transurethral resection of the prostate. medications: atenolol 25 q day, tylenol prn and ativan .5 prn. allergies: no known drug allergies. physical examination: his blood pressure was 175/76. respiratory rate 18. sats 99%. the patient was oriented to self, but not year or hospital. follows one step commands. pupils 4 down to 2 mm and briskly reactive to light. extraocular movements intact. face is symmetric. full strength bilaterally. reflexes 2+ throughout and toes are down going. laboratory: sodium 135, k 4.2, chloride 99, co2 28, bun 17, creatinine 1.0, glucose 106, white count was 13.9, hematocrit 42.5, and platelets 341. the patient had an electrocardiogram that was in sinus rhythm with a right bundle branch block. hospital course: he was admitted to the surgical intensive care unit for a close observation. he remained neurologically stable and was transferred to the regular floor. on hospital day number two he was found to be with no verbal output and was transferred back to the intensive care unit on and underwent a subdural drain placement for evacuation of a left subdural hematoma. head ct on admission showed bilateral subdural hematomas left greater then right. the patient remained in the intensive care unit. , m.d. dictated by: medquist36 procedure: incision of cerebral meninges diagnoses: unspecified essential hypertension unspecified fall other specified cardiac dysrhythmias alzheimer's disease dementia in conditions classified elsewhere without behavioral disturbance subdural hemorrhage following injury without mention of open intracranial wound, with no loss of consciousness 

Answer: The patient is high likely exposed to