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: discharge medications: 1. diltiazem 60 mg p.o. q.i.d. 2. lasix 20 mg p.o. b.i.d. 3. nystatin swish and swallow q.i.d. 4. captopril 25 mg p.o. t.i.d. follow-up: he will be followed by dr. upon discharge from rehabilitation. he will have an appointment with dr. when appropriate. he will have his sternal staples discontinued on . discharge diagnosis: 1. acute type a aortic dissection. 2. hypertension. 3. atrial fibrillation. 4. cerebrovascular accident. , m.d. dictated by: medquist36 procedure: venous catheterization, not elsewhere classified continuous invasive mechanical ventilation for 96 consecutive hours or more extracorporeal circulation auxiliary to open heart surgery diagnostic ultrasound of heart diagnostic ultrasound of heart insertion of endotracheal tube other bronchoscopy temporary tracheostomy resection of vessel with replacement, thoracic vessels open heart valvuloplasty of aortic valve without replacement diagnoses: congestive heart failure, unspecified unspecified essential hypertension atrial fibrillation infection with microorganisms resistant to penicillins acute, but ill-defined, cerebrovascular disease aortic valve disorders methicillin susceptible pneumonia due to staphylococcus aureus dissection of aorta, thoracoabdominal pneumonia due to hemophilus influenzae [h. influenzae] 

Answer: The patient is high likely exposed to