Before any surgery...Ideal, physiological, heart friendly, myocardial friendly to be specific - the antihypertensive combination is Atenolol + Amlodipine. Beta-blockers control spikes in Heart rates and optimise Myocardial stress. Calcium channel blockers dilate the circulation, thus reduces after preloading on the heart and also maintain blood flow to Tissues at low pressures. Unless rare side effects, rare contra indications OBJECT. This is a very safe combination for any patient group, before any Surgery.

Laparoscopic surgery: In lap surgeries maintaining Hemodynamics is a bit balancing - you shud balance blood pressure of patient between on pressure and intra-abdominal pressure. You can't allow High Blood pressure- risk of bleeding, and other complications. You can't advise low abdominal pressure --- bcoz working space for surgeon becomes less. So to maintain OPTIMAL tissue…