Third degree AV block - Revision history

Ostermayer: /* Management */

2020-12-21T15:10:04Z

Management

2020-12-21T15:09:46Z

Management

← Older revision		Revision as of 15:09, 21 December 2020
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	==Management==		==Management==
	*If symptomatic, standard [[ACLS guidelines for symptomatic bradycardia]] to include<ref name="Sovari">Sovari AA et al. Second-Degree Atrioventricular Block Treatment & Management. eMedicine. Apr 28, 2014. http://emedicine.medscape.com/article/161919-treatment#showall.</ref>		{{Heart block managment}}
	**[[Atropine]] 0.5mg IV q3-5min PRN total dose of 3mg
	**[[Transcutaneous pacing]], followed by [[transvenous pacing]]
	**[[Dopamine]] IV consider for low BP 3mcg/kg/minute titrate up to 20 mcg/kg/minute
	**[[Dobutamine]] IV consider for heart failure at 5mcg/kg/minute titrate up to 20mcg/kg/minute if needed for HR and BP augmentation
	*Treat underlying etiology
	*Avoid AV nodal blocking agents (e.g. [[β-blockers]])

	==Disposition==		==Disposition==

2019-09-26T18:21:22Z

← Older revision		Revision as of 18:21, 26 September 2019
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	*Congenital		*Congenital
	*Acquired		*Acquired
	**Ischemia		**[[Myocardial ischemia\|Ischemia]]
	**Increased vagal tone		**Increased vagal tone
	**[[Hypothyroidism]]		**[[Hypothyroidism]]
	**[[Hyperkalemia]]		**[[Hyperkalemia]]
	**Drugs		**[[Toxicology (Main)\|Drugs]]
	**Structural heart disease		**Structural heart disease

2019-08-17T15:50:21Z

Background

← Older revision		Revision as of 15:50, 17 August 2019
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	==Background==		==Background==
	[[File:Rhythm strip showing third degree heart block.jpg\|thumb\|Rhythm strip showing third degree AV block. Note that the P waves are not related to the QRS complexes (PP interval and QRS interval both constant), demonstrating that the atria are electrically disconnected from the ventricles~~. The QRS complexes represent an escape rhythm arising from the ventricle~~.]]		[[File:Rhythm strip showing third degree heart block.jpg\|thumb\|Rhythm strip showing third degree AV block. Note that the P waves are not related to the QRS complexes (PP interval and QRS interval both constant), demonstrating that the atria are electrically disconnected from the ventricles.]]
	*Also known as complete heart block		*Also known as complete heart block
	*No conduction through the AV node, causing the atria and ventricles beat completely independently from each other		*No conduction through the AV node, causing the atria and ventricles beat completely independently from each other

2019-08-17T15:49:50Z

Background

← Older revision		Revision as of 15:49, 17 August 2019
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	==Background==		==Background==
			[[File:Rhythm strip showing third degree heart block.jpg\|thumb\|Rhythm strip showing third degree AV block. Note that the P waves are not related to the QRS complexes (PP interval and QRS interval both constant), demonstrating that the atria are electrically disconnected from the ventricles. The QRS complexes represent an escape rhythm arising from the ventricle.]]
	*Also known as complete heart block		*Also known as complete heart block
	*No conduction through the AV node, causing the atria and ventricles beat completely independently from each other		*No conduction through the AV node, causing the atria and ventricles beat completely independently from each other

2019-08-17T15:47:10Z

2019-08-17T15:46:22Z

Causes

2019-08-17T15:45:57Z

Management

← Older revision		Revision as of 15:45, 17 August 2019
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	**[[Atropine]] 0.5mg IV q3-5min PRN total dose of 3mg		**[[Atropine]] 0.5mg IV q3-5min PRN total dose of 3mg
	**[[Transcutaneous pacing]], followed by [[transvenous pacing]]		**[[Transcutaneous pacing]], followed by [[transvenous pacing]]
	**[[Dopamine IV]] consider for low BP 3mcg/kg/minute titrate up to 20 mcg/kg/minute		**[[Dopamine]] IV consider for low BP 3mcg/kg/minute titrate up to 20 mcg/kg/minute
	**[[Dobutamine IV]] consider for heart failure at 5mcg/kg/minute titrate up to 20mcg/kg/minute if needed for HR and BP augmentation		**[[Dobutamine]] IV consider for heart failure at 5mcg/kg/minute titrate up to 20mcg/kg/minute if needed for HR and BP augmentation
	*Treat underlying etiology		*Treat underlying etiology
	*Avoid AV nodal blocking agents (e.g. [[β-blockers]])		*Avoid AV nodal blocking agents (e.g. [[β-blockers]])

2019-08-09T19:30:52Z

Causes

2019-08-09T19:29:49Z

Management

← Older revision		Revision as of 19:29, 9 August 2019
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	==Management==		==Management==
	*If symptomatic, standard [[ACLS guidelines for symptomatic bradycardia]] to include<ref name="Sovari">Sovari AA et al. Second-Degree Atrioventricular Block Treatment & Management. eMedicine. Apr 28, 2014. http://emedicine.medscape.com/article/161919-treatment#showall.</ref>		*If symptomatic, standard [[ACLS guidelines for symptomatic bradycardia]] to include<ref name="Sovari">Sovari AA et al. Second-Degree Atrioventricular Block Treatment & Management. eMedicine. Apr 28, 2014. http://emedicine.medscape.com/article/161919-treatment#showall.</ref>
	**[[Atropine]] 0.5mg IV q3-5min PRN		**[[Atropine]] 0.5mg IV q3-5min PRN total dose of 3mg
	**[[Transcutaneous pacing]], followed by [[transvenous pacing]]		**[[Transcutaneous pacing]], followed by [[transvenous pacing]]
			**[[Dopamine IV]] consider for low BP 3mcg/kg/minute titrate up to 20 mcg/kg/minute
			**[[Dobutamine IV]] consider for heart failure at 5mcg/kg/minute titrate up to 20mcg/kg/minute if needed for HR and BP augmentation
	*Treat underlying etiology		*Treat underlying etiology
	*Avoid AV nodal blocking agents (e.g. [[β-blockers]])		*Avoid AV nodal blocking agents (e.g. [[β-blockers]])