This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anaesthesia
A 60 year old woman comes for pre-anaesthetic evaluation for cataract repair. She is known diabetic, and hypertensive on medications. She also history of dyspnea while walking upstairs. Her ecg shows normal sinus rhythm with left axis deviation. What is your approach towards the patient 
Select and explain. 
A. Order treadmill test for further cardiac evaluation, B. Perform 2d echocardiography, C. No need of further testing , proceed with the surgery, D. Declare patient to be unfit for surgery.
C: No need of further testing , proceed with the surgery
Answer: C: No need of further testing , proceed with the surgery 
Explanation: This patient does not have an acute cardiac condition and moreover cataract is a low risk surgery. Thus one can proceed with surgery without further testing.