ECG-SINUS ARRHYTHMIA (BRADYCARDIA)
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Revision as of 01:21, 17 December 2022 by Dr Appukutty Manickam (talk | contribs) (Imported from text file)
1. Sinus bradycardia originates in the SA node.
2. Due to reduced sympathetic input or excessive vagal tone.
3. Causes: inferior AMI, hypoxia, hypothermia, drugs (beta-blockers, verapamil, flecanide).
4. At moderately slow rates patient may be asymptomatic.
5. At slower rates, patient may become hypotensive & symptomatic.
6. Management: aimed at increasing HR (Atropine).
2. Due to reduced sympathetic input or excessive vagal tone.
3. Causes: inferior AMI, hypoxia, hypothermia, drugs (beta-blockers, verapamil, flecanide).
4. At moderately slow rates patient may be asymptomatic.
5. At slower rates, patient may become hypotensive & symptomatic.
6. Management: aimed at increasing HR (Atropine).
Reference(s)
Gale, M., Grantham, H., Morley, P. and Parr, M. (2016). Advanced Life Support Level 1: 3rd Australian Edition. Australian Resuscitation Council. American College Of Surgeons. Committee On Trauma (2012). ATLS : student course manual. Chicago, Ill.: American College Of Surgeons.
