Cardiac disease in pregnancy electrocardiogram: Difference between revisions

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==Electrocardiogram==
==Overview==
*The QRS axis may shift either to the left or the right, but usually lies within normal limits.
The common electrocardiographic findings that occur secondary to physiological changes during pregnancy include: [[tachycardia]], [[Electrocardiography#Shortened PR Interval|short PR interval]] and [[left axis deviation]].
 
==Electrocardiographic Findings==
*Physiologic hyperdynamic circulation may cause [[tachycardia]] with accompanied [[Electrocardiography#Shortened PR Interval|shortened PR interval]].
 
*[[Left axis deviation]] attributed to horizontal position of the heart resulting from progressive uterine enlargement.<ref name="pmid469442">{{cite journal |author=Schwartz DB, Schamroth L |title=The effect of pregnancy on the frontal plane QRS axis |journal=[[Journal of Electrocardiology]] |volume=12 |issue=3 |pages=279–81 |year=1979 |month=July |pmid=469442 |doi= |url= |accessdate=2012-04-17}}</ref>
 
*Non-specific [[ST segment depression]] and [[Electrocardiography#The T Wave|T wave flattening]] may be observed in a small percentage of pregnant patients. However, these changes resolve without further complications following delivery.<ref name="pmid5927791">{{cite journal |author=Boyle DM, Lloyd-Jones RL |title=The electrocardiographic ST segment in pregnancy |journal=[[The Journal of Obstetrics and Gynaecology of the British Commonwealth]] |volume=73 |issue=6 |pages=986–7 |year=1966 |month=December |pmid=5927791 |doi= |url= |accessdate=2012-04-17}}</ref><ref name="pmid14482159">{{cite journal |author=ORAM S, HOLT M |title=Innocent depression of the S-T segment and flattening of the T-wave during pregnancy |journal=[[The Journal of Obstetrics and Gynaecology of the British Empire]] |volume=68 |issue= |pages=765–70 |year=1961 |month=October |pmid=14482159 |doi= |url= |accessdate=2012-04-17}}</ref>


==References==
==References==

Revision as of 15:46, 17 April 2012

Cardiac disease in pregnancy Microchapters

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Special Scenarios:

I. Pre-existing Cardiac Disease:
Congenital Heart Disease
Repaired Congenital Heart Disease
Pulmonary Hypertension
Rheumatic Heart Disease
Connective Tissue Disorders
II. Valvular Heart Disease:
Mitral Stenosis
Mitral Regurgitation
Aortic Insufficiency
Aortic Stenosis
Mechanical Prosthetic Valves
Tissue Prosthetic Valves
III. Cardiomyopathy:
Dilated Cardiomyopathy
Hypertrophic Cardiomyopathy
Peripartum Cardiomyopathy
IV. Cardiac diseases that may develop During Pregnancy:
Arrhythmias
Acute Myocardial Infarction
Hypertension

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Cafer Zorkun, M.D., Ph.D. [2]; Lakshmi Gopalakrishnan, M.B.B.S. [3]

Overview

The common electrocardiographic findings that occur secondary to physiological changes during pregnancy include: tachycardia, short PR interval and left axis deviation.

Electrocardiographic Findings

  • Left axis deviation attributed to horizontal position of the heart resulting from progressive uterine enlargement.[1]

References

  1. ↑ Schwartz DB, Schamroth L (1979). "The effect of pregnancy on the frontal plane QRS axis". Journal of Electrocardiology. 12 (3): 279–81. PMID 469442. Unknown parameter |month= ignored (help); |access-date= requires |url= (help)
  2. ↑ Boyle DM, Lloyd-Jones RL (1966). "The electrocardiographic ST segment in pregnancy". The Journal of Obstetrics and Gynaecology of the British Commonwealth. 73 (6): 986–7. PMID 5927791. Unknown parameter |month= ignored (help); |access-date= requires |url= (help)
  3. ↑ ORAM S, HOLT M (1961). "Innocent depression of the S-T segment and flattening of the T-wave during pregnancy". The Journal of Obstetrics and Gynaecology of the British Empire. 68: 765–70. PMID 14482159. Unknown parameter |month= ignored (help); |access-date= requires |url= (help)


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