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Intraoperative management of critical arrhythmia
#MMPMID28367281
Kwon CH
; Kim SH
Korean J Anesthesiol
2017[Apr]; 70
(2
): 120-126
PMID28367281
show ga
The incidence of intraoperative arrhythmia is extremely high, and some
arrhythmias require clinical attention. Therefore, it is essential for the
anesthesiologist to evaluate risk factors for arrhythmia and understand their
etiology, electrophysiology, diagnosis, and treatment. Anesthetic agents
reportedly affect normal cardiac electrical activity. In the normal cardiac
cycle, the sinoatrial node initiates cardiac electrical activity through
intrinsic autonomous pacemaker activity. Sequential atrial and ventricular
contractions result in an effective cardiac pumping mechanism. Arrhythmia occurs
due to various causes, and the cardiac pumping mechanism may be affected. A
severe case may result in hemodynamic instability. In this situation, the
anesthesiologist should eliminate the possible causes of arrhythmia and manage
the condition, creating hemodynamic stability under proper electrocardiographic
monitoring.