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Qaagi - Book of Why

Causes

Effects

Long - standing hypertensionmay causeleft atrial enlargement early

rheumatic mitral valve diseasecausingmassive left atrial enlargement

the left heart chamberscausingleft heart enlargement

the right atriumcausingright atrial enlargement

Mitral regurgitation ( MRcould leadto left atrial ( LA ) enlargement

the atriumresultingin subsequent left atrial enlargement

mitral stenosisresultingin subsequent left atrial enlargement

Any problems with this valve , such as narrowingcan causeright atrial enlargement

The tricuspid regurgitationcausesright atrial enlargement

This high blood pressurecan then causeright atrial enlargement

This condition ... in whichcausesenlargement of the left ventricle of the heart

by mitral regurgitation(passive) caused byright atrial enlargement

Moderate to severe stenosiscausesright atrial enlargement

Moderate to severe stenosiscausesright atrial enlargement

Chronic exposure of ratscausedenlargement of the left ventricle of the heart

associated AR or mitral valve diseaseresultin left ventricular or left atrial enlargement

left atrial pressureleadingto left atrial enlargement

Long - term restriction of left atrial to ventricular blood fillingmay leadto left atrial enlargement

so conditionscauseleft atrial stretch

atrial pressureleadingto left atrial enlargement

the conditions ... the development of AFleadto left atrial enlargement

A few conditions involving the side valvecan leadto left atrial enlargement

Any cardiac condition ... the risk of atrial fibrillationresultsin left atrial enlargement

A few conditions involving the mitral valvecan leadto left atrial enlargement

the left ventricular end diastolic pressure increasesmay leadto enlargement of the left atrium

Conditionscauseto left atrial enlargement

Conditionsmay causeleft atrial enlargement

the conditionscauseleft atrial enlargement

mitral valve dysfunction and regurgitationleadingto left atrial enlargement

Problems with the mitral valvecan leadto left atrial enlargement

Mitral regurgitationleadsto left atrial enlargement

Mitral regurgitationcan causeleft atrial enlargement

Mitral regurgitationcan causeleft atrial enlargement

Mitral regurgitationcan resultin left atrial enlargement

Any other processcausingleft atrial enlargement

The mitral valve stenosisleadsto left atrial enlargement

Mitral valve stenosisleadsto left atrial enlargement

mitral stenosis and heart failurecauseleft atrial enlargement

Aortic stenosiscan ... causeleft atrial enlargement

by diastolic dysfunction(passive) caused byleft atrial enlargement

to atrial fibrillationleadto atrial fibrillation

in atrial fibrillationresultin atrial fibrillation

in atrial fibrillationcan resultin atrial fibrillation

from clinically diagnosed dilated cardiomyopathy ( DCM ) or chronic mitral valve disease ( CMVDresultingfrom clinically diagnosed dilated cardiomyopathy ( DCM ) or chronic mitral valve disease ( CMVD

an abnormal but smooth bulge of the left lower heart contourcausesan abnormal but smooth bulge of the left lower heart contour

an increase in the voltage of the P wavecausesan increase in the voltage of the P wave

the need for further structural evaluation of the heartpromptingthe need for further structural evaluation of the heart

usuallycausesusually

a higher initial positive deflection ,(passive) could be caused bya higher initial positive deflection ,

from increased pressure incan resultfrom increased pressure in

from increased pressure in thecan resultfrom increased pressure in the

from increased pressure in the [ [ pulmonary artery]]. A [ [ P wavecan resultfrom increased pressure in the [ [ pulmonary artery]]. A [ [ P wave

emergent cardiac surgerypromptingemergent cardiac surgery

from increased pressure in the pulmonary arterycan resultfrom increased pressure in the pulmonary artery

from increased pressure in the [ [ pulmonary artery]].can resultfrom increased pressure in the [ [ pulmonary artery]].

prominence of the right heartcausingprominence of the right heart

prominence of the right heart bordercausingprominence of the right heart border

to atrial fibrillation and loss of atrial kick and decreased filling of the left ventriclecan leadto atrial fibrillation and loss of atrial kick and decreased filling of the left ventricle

to atrial fibrillation and loss of atrial kickcan leadto atrial fibrillation and loss of atrial kick

two P waves with normal QRS complex and T wave(passive) is caused bytwo P waves with normal QRS complex and T wave

to mitral regurgitationcan contributeto mitral regurgitation

a P - wave 24could causea P - wave 24

elevation and compression(passive) caused byelevation and compression

wide P wavesmay causewide P waves

sometimescan ... resultsometimes

to atrial arrhythmias , thrombus formation , and embolismmay leadto atrial arrhythmias , thrombus formation , and embolism

in atrial dysrhythmias , particularly fibrillation , which can lead to significant sudden hemodynamic decompensation from the loss of the contribution of atrial contraction to ventricular fillingcan resultin atrial dysrhythmias , particularly fibrillation , which can lead to significant sudden hemodynamic decompensation from the loss of the contribution of atrial contraction to ventricular filling

in heart failure and atrial fibrillationresultingin heart failure and atrial fibrillation

from mitral stenosiscan resultfrom mitral stenosis

in atrial fibrillationmay resultin atrial fibrillation

to atrial fibrillation and cardio - embolicleadingto atrial fibrillation and cardio - embolic

to atrial fibrillation and cardio - embolic strokes 2leadingto atrial fibrillation and cardio - embolic strokes 2

to systemic thromboembolic complications like strokecan leadto systemic thromboembolic complications like stroke

disruption of electrical pathways leading to a four - fold increased risk of atrial fibrillationthen causesdisruption of electrical pathways leading to a four - fold increased risk of atrial fibrillation

in atrial fibrillationresultin atrial fibrillation

the carina angle to be widened since the tracheal bifurcation is anatomically just above the left atriummay causethe carina angle to be widened since the tracheal bifurcation is anatomically just above the left atrium

the carina angle to be widened since the tracheal bifurcation is anatomically just above the left atrium ( Figmay causethe carina angle to be widened since the tracheal bifurcation is anatomically just above the left atrium ( Fig

the negative symptomscausingthe negative symptoms

poor leaflet coaptationcausingpoor leaflet coaptation

to tricuspid regurgitation , which leads to volume overload and even more dilation ( 22may leadto tricuspid regurgitation , which leads to volume overload and even more dilation ( 22

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