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Qaagi - Book of Why

Causes

Effects

hydrocephalus results from obstruction to CSF flow within the ventriclescausingdilation of the ventricles

the ventricular systemcausingdilation of the ventricles

Excessive CSFcausesdilation of ventricles

CSFcausesdilation of ventricles

Inflammation of the aortacan causeaortic dilation

abnormalities in aortic mediacan causeaortic dilation

the cardiac diseasecausedthe ventricular dilation

chronic pressure overload(passive) caused byventricular dilatation

volume overload(passive) is caused byVentricular dilation

The weakening of local wallscausesaortic dilation

in turncausesaortic dilation

in turncausingventricular dilation

other diseasescauseventricular dilation

by mitral regurgitation(passive) caused byventricular dilatation

a drugcausesartery dilation

the heatcausesvenous dilation

Long - term hypertensioncan causeventricular dilatation

the spiral arteriescausingartery dilation

by brain atrophy(passive) caused byventricular dilation

the reduction of ECMcausesventricular dilation

Hydrocephalus ... the braincausesventricular dilatation

cerebral spinal fluid ( CSF ... the braincausesventricular dilatation

mitral regurgitation Myocarditiscan causeventricular dilatation

a medicationcausesvenous dilation

myocardial infarction ( MI ) and other diseasescauseventricular dilation

ventricular function Nitratescausevenous dilation

by high blood pressure(passive) caused byvenous dilation

by intraventricular obstruction(passive) caused byVentricular dilatation

the underlying abnormalitycausingaortic dilation

the lesions that develop due to the shunt(passive) provoked byventricular dilatation

decreased ventricular function Nitrates ... and reduce cardiac preloadcausevenous dilation

the left venticlewould ... causeventricular dilatation

Loss of elastincausesdilation of the aorta

Epinephrine ( adrenalinecausesvenous dilation

by loss of neurons(passive) caused byventricular dilatation

AF ... volume overloadcausesatrial dilation

no previous illnesscould have causedventricular dilation

several different mechanisms including inherited disorders of connective tissue(passive) is caused byDilation of the aorta

cerebral volume losscan causeventricular dilatation

Atrial hypertensionmay causeatrial dilation

to aortic insufficiencymay leadto aortic insufficiency

to hypotensionleadingto hypotension

embryonic lethalityresultedembryonic lethality

to an aneurysm ( bulge in the aorta ) or dissection ( tear in the aortacan leadto an aneurysm ( bulge in the aorta ) or dissection ( tear in the aorta

to increased ventricular wall stress , mitral insufficiency and leads to cardiac dysfunctionleadsto increased ventricular wall stress , mitral insufficiency and leads to cardiac dysfunction

to increased diastolic pressure and volumeleadingto increased diastolic pressure and volume

with an increase in left ventricular end - diastolic pressure and a secondary increase in left atrial pressurewill resultwith an increase in left ventricular end - diastolic pressure and a secondary increase in left atrial pressure

in inadequate aortic leaflet apposition with a central jet of aortic regurgitationresultsin inadequate aortic leaflet apposition with a central jet of aortic regurgitation

to aortic rupture and death if not treated earlycan leadto aortic rupture and death if not treated early

to heart failureleadsto heart failure

a bulge ( aneurysm ... or lead to a tear ( dissectionmay causea bulge ( aneurysm ... or lead to a tear ( dissection

in pressure overloadcould ... resultin pressure overload

an impaired systolic function which results in an irregular heartbeat and heart failurecausesan impaired systolic function which results in an irregular heartbeat and heart failure

a decrease in venous return along with ventricular filling pressurecausesa decrease in venous return along with ventricular filling pressure

from the increased preload causesresultingfrom the increased preload causes

to abnormal systolic functionleadsto abnormal systolic function

to aortic dissectionleadsto aortic dissection

in dilated cardiomyopathy Cardiac hypertrophymay resultin dilated cardiomyopathy Cardiac hypertrophy

alsomay ... resultalso

to dissection and ruptureleadsto dissection and rupture

congestion of bloodcausescongestion of blood

to dissection and deathleadingto dissection and death

a decrease in venous returncausesa decrease in venous return

to venous poolingleadingto venous pooling

to increased wall stressleadsto increased wall stress

from a combination of increased venous pressureresultsfrom a combination of increased venous pressure

dilation of the heart valve annuluscan causedilation of the heart valve annulus

to annular dilation or tethering of the valve apparatusleadingto annular dilation or tethering of the valve apparatus

to ruptureleadingto rupture

in [ [ dilated cardiomyopathymay resultin [ [ dilated cardiomyopathy

to systolic murmur of mitral regurgitationleadsto systolic murmur of mitral regurgitation

a decrease in cardiac workcausinga decrease in cardiac work

to papillary muscle displacementleadingto papillary muscle displacement

embryonic lethalityresultedembryonic lethality

to the better functioning of the heartleadsto the better functioning of the heart

increased blood flowcausingincreased blood flow

to abnormal position of papillary muscular tissuesleadingto abnormal position of papillary muscular tissues

to apical and lateral distraction of the papillary muscles tethering the mitral leaflets causing central regurgitation owing to failure of coaptation during systole of the anatomically normal leaflets7leadsto apical and lateral distraction of the papillary muscles tethering the mitral leaflets causing central regurgitation owing to failure of coaptation during systole of the anatomically normal leaflets7

to congestive heart failureleadingto congestive heart failure

to hydrocephaluscan leadto hydrocephalus

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