Journal of eISSN: 2373-4396 JCCR

Cardiology & Current Research
Volume 2 Issue 4 - 2015
Intraoperative Tachycardia- Reset by Single Shot Short Acting Beta Blocker
Neha Hasija1, Preeti Gupta2 and Rakesh Garg3*
1Department of Anaesthesiology, India
2Assistant Professor of Cardiology, VMMC and Safdarjung Hospital, India
3Assistant Professor, India
Received: March 22, 2015| Published: April 18, 2015
*Corresponding author: Rakesh Garg, Assistant Professor, Dr BRAIRCH, All India Institute of Medical Sciences, Room No 139, Ansari Nagar, New Delhi-110029, India, Tel: +91 98683978335; +91 9810394950; Email: @
Citation: Hasija N, Gupta P, Garg R (2015) Intraoperative Tachycardia- Reset by Single Shot Short Acting Beta Blocker. J Cardiol Curr Res 2(4): 00069. DOI: 10.15406/jccr.2015.02.00069


Beta-adrenergic receptor blockers (β blockers) have been used for preventing or treating tachycardia, hypertensive crisis, ischemic cardiomyopathy and arrhythmias (perioperatively). Myocardial depression and bradycardia associated with β blockers is attributed to sympathetic nervous system blockade rather to membrane stabilization [1]. Surgical procedures are associated with perioperative tachycardia and increased myocardial contractility leading to an increased oxygen demand [2]. 2009 AHA update on β blockers states that “The usefulness of beta blockers is uncertain for patients who are undergoing either intermediate risk procedures or vascular surgery in whom preoperative assessment identifies a single clinical risk factor in the absence of coronary artery disease’’ [3].

Hypovolemia, light plane of anesthesia, hypercarbia, fever, myocardial ischemia, acute drug withdrawal can all produce intraoperative tachycardia. After exclusion of all these causes still tachycardia persists quite often, it may be due to surgical stress. We have observed that small single shot dose of short acting β blocker works efeffctively under such situations in patients without any risk factors. β blockers are effective for suppressing atrial premature beats and controlling heart rate and conversion of focal atrial tachycardia, as well as preventing its recurrence, in many instances the result of increased sympathetic tone [4] such as after surgery [5]. β blockers major adverse effects are hypotension, heart failure (contraindicated for patients class IV AHA) and bronchospasm and their use shall be withheld in such cases.


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