Premature atrial contraction - Revision history

Rossdonaldson1: /* Evaluation */

2025-07-30T17:09:07Z

Evaluation

← Older revision		Revision as of 17:09, 30 July 2025
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	==Evaluation==		==Evaluation==
			[[File:PAC.png\|frame\|EKG showing PACs]]
	*Obtain EKG and look for:		*Obtain EKG and look for:
	**P waves that appear sooner than expected sinus beat		**P waves that appear sooner than expected sinus beat
	**Ectopic P waves that have different morphology		**Ectopic P waves that have different morphology
	**Interval between normal P waves encompassing the PAC is less than twice the existing P-P cycle length (noncompensatory pause)<ref>Brady W, Laughrey T, Ghaemmaghami C. Cardiac rhythm disturbances. In Tintinalli's Emergency Medicine: A Comprehensive Guide. Tintinalli J, et al. ed. 8th ed. McGraw Hill. New York, NY, 2016.</ref>		**Interval between normal P waves encompassing the PAC is less than twice the existing P-P cycle length (noncompensatory pause)<ref>Brady W, Laughrey T, Ghaemmaghami C. Cardiac rhythm disturbances. In Tintinalli's Emergency Medicine: A Comprehensive Guide. Tintinalli J, et al. ed. 8th ed. McGraw Hill. New York, NY, 2016.</ref>
	~~[[File:PAC.png\|frame\|EKG showing PACs]]~~
	*Rule out underlying conditions:		*Rule out underlying conditions:
	**Chronic heart disease (increases prevalence of PACs)		**Chronic heart disease (increases prevalence of PACs)

2020-03-24T21:05:33Z

Evaluation

← Older revision		Revision as of 21:05, 24 March 2020
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	==Evaluation==		==Evaluation==
	*Obtain EKG:		*Obtain EKG and look for:
	*P waves that appear sooner than expected sinus beat		**P waves that appear sooner than expected sinus beat
	*Ectopic P waves that have different morphology		**Ectopic P waves that have different morphology
	*Interval between normal P waves encompassing the PAC is less than twice the existing P-P cycle length (noncompensatory pause)<ref>Brady W, Laughrey T, Ghaemmaghami C. Cardiac rhythm disturbances. In Tintinalli's Emergency Medicine: A Comprehensive Guide. Tintinalli J, et al. ed. 8th ed. McGraw Hill. New York, NY, 2016.</ref>		**Interval between normal P waves encompassing the PAC is less than twice the existing P-P cycle length (noncompensatory pause)<ref>Brady W, Laughrey T, Ghaemmaghami C. Cardiac rhythm disturbances. In Tintinalli's Emergency Medicine: A Comprehensive Guide. Tintinalli J, et al. ed. 8th ed. McGraw Hill. New York, NY, 2016.</ref>
			[[File:PAC.png\|frame\|EKG showing PACs]]
	*Rule out underlying conditions:		*Rule out underlying conditions:
	**Chronic heart disease (increases prevalence of PACs)		**Chronic heart disease (increases prevalence of PACs)

2020-03-24T20:42:11Z

2020-03-24T20:41:49Z

Management

← Older revision		Revision as of 20:41, 24 March 2020
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	==Management==		==Management==
			*No specific treatment necessary
			*If symptomatic, treat underlying disorder or discontinue offending agent.

	==Disposition==		==Disposition==

2020-03-24T20:40:39Z

Evaluation

← Older revision		Revision as of 20:40, 24 March 2020
Line 12:		Line 12:

	==Evaluation==		==Evaluation==
			*Obtain EKG:
			*P waves that appear sooner than expected sinus beat
			*Ectopic P waves that have different morphology
			*Interval between normal P waves encompassing the PAC is less than twice the existing P-P cycle length (noncompensatory pause)<ref>Brady W, Laughrey T, Ghaemmaghami C. Cardiac rhythm disturbances. In Tintinalli's Emergency Medicine: A Comprehensive Guide. Tintinalli J, et al. ed. 8th ed. McGraw Hill. New York, NY, 2016.</ref>
			*Rule out underlying conditions:
			**Chronic heart disease (increases prevalence of PACs)
			**Chronic lung disease (increases prevalence of PACs)
			**Drugs: cocaine, amphetamines, caffeine, nicotine, digoxin

	==Management==		==Management==

2020-03-24T17:30:25Z

Clinical Features

2020-03-24T17:29:03Z

Disposition

← Older revision		Revision as of 17:29, 24 March 2020
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	==Disposition==		==Disposition==
			*Discharge home, no specific follow-up (unless identifiable underlying etiology that needs to be treated).

	==See Also==		==See Also==

2020-03-24T17:28:37Z

Management

← Older revision		Revision as of 17:28, 24 March 2020
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	==Management==		==Management==
	*Discharge home, no specific follow-up (unless identifiable underlying etiology that needs to be treated).

	==Disposition==		==Disposition==

2020-03-24T17:28:03Z

2020-03-24T17:27:13Z

Management

← Older revision		Revision as of 17:27, 24 March 2020
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	==Management==		==Management==
			*Discharge home, no specific follow-up (unless identifiable underlying etiology that needs to be treated).

	==Disposition==		==Disposition==

← Older revision		Revision as of 20:42, 24 March 2020
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	*[[Palpitations]]		*[[Palpitations]]
	*[[Premature ventricular contraction]]		*[[Premature ventricular contraction]]
			*[[Premature junctional contraction]]

	==External Links==		==External Links==

← Older revision		Revision as of 17:28, 24 March 2020
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	==See Also==		==See Also==
			*[[Palpitations]]
			*[[Premature ventricular contraction]]

	==External Links==		==External Links==