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Qaagi - Book of Why

Causes

Effects

The drugmay causebradycardia ... leading to a fall in the cardiac output

This lowered peripheral resistancecausesthe heart to increase cardiac output Cardiac output

stroke volumecausingheart rate to rise to maintain cardiac output

Valsalva maneuvercan resultin bradycardia ( temporarily reduced cardiac output

A condition of fainting spells caused by heart block , often an atrioventricular blockleadsto BRADYCARDIA and drop in CARDIAC OUTPUT

patient moves in bed Valsalva maneuver , which requires breath holding and bearing downcan causebradycardia and related reduced cardiac output

by increased oxygen demand(passive) provoked byischemia ] ] ... ( [ [ tachycardia ] ] , ... [ cardiac output

Excess preload reduction in these patientscan leadto poor right ventricular cardiac output

a problem in the sinus node(passive) is caused byA bradycardia cardiac arrhythmia

no detectable coordinated cardiac electrical activityresultingin cardiac output , ventricular depolarization , cardiac output

These abnormal pathwayscausecardiac tachycardia

NCX1causescardiac fibrillation in zebrafish

by cardiac abnormalities that decrease the ability of the heart to pump blood(passive) may be caused bydecreased cardiac output

decreased contractilitycausingdecreased cardiac output

in turncausesdecreased cardiac output

by cardiac abnormalities that decrease the ability of the heart to pump blood ( for example , myocardial infarction , severe valve dysfunction , heart arrhythmias(passive) may be causeddecreased cardiac output

impaired left ventricular performancecausingdecreased cardiac output

the inferior vena cavacausingdecreased cardiac output

dyssynchrony in atrial and ventricular contraction(passive) caused bydecreased cardiac output

by dyssynchrony in atrial and ventricular contraction(passive) caused bydecreased cardiac output

Slower ratescan causedecreased cardiac output

Heat stress and fluid losscan causedecreased cardiac output

well tolerated Slower ratescan causedecreased cardiac output

by left heart(passive) caused byventricular cardiac output

by infection(passive) caused bycardiac output ... ( diskitis

The adverse electrolyte and acid - base effect of diuretic usecan also leadto cardiac arrhythmia , which can diminish cardiac output

It affects heart muscle as wellcausingweakened cardiac output

factorsinfluencingcardiac output Neurophysiology

by increased peripheral resistance , heart rate , and stroke volume(passive) caused bycardiac output

by decreased peripheral resistance , heart rate , and stroke volume(passive) caused bycardiac output

by such conditions as shock , cardiac dysfunction , or increased pulmonary vascular resistance(passive) caused bycardiac output

by increased peripheral resistance , heart rate(passive) caused bycardiac output

The acute increases in cardiac contractility andmay resultcardiac output

increased venous returnmight leadcardiac output

An increase in venous return andcausescardiac output

both heart rate and stroke volume(passive) is influenced byCardiac output

the heart rate and stroke volume(passive) is influenced byCardiac output

Increased contractility of the cardiac muscle Digoxin increases the force of cardiac contractioncausingcardiac output

Cardiac rate , rhythm , and contractilityinfluencingcardiac output

by increased peripheral resistance(passive) caused bycardiac output

The attacks(passive) are caused byThe attacks

in blood congestionresultsin blood congestion

to left ventricular high - outputcan ... leadto left ventricular high - output

a variety of symptomscausesa variety of symptoms

to palpitation , chest tightness , heart failure , and even sudden deathcan leadto palpitation , chest tightness , heart failure , and even sudden death

in decreased tissue perfusioncan resultin decreased tissue perfusion

hypertensionalso can causehypertension

in a decrease in its ability to meet the metabolic demands of the bodyresultsin a decrease in its ability to meet the metabolic demands of the body

from profound effects on the heart muscleresultingfrom profound effects on the heart muscle

to sudden deathcan leadto sudden death

pulmonary emboli and pulmonary hypertensioncausingpulmonary emboli and pulmonary hypertension

to poor peripheral perfusionleadsto poor peripheral perfusion

Symptoms of forward failure(passive) are caused bySymptoms of forward failure

alsoresultsalso

to inadequate tissue perfusion Physiologic Changescontributesto inadequate tissue perfusion Physiologic Changes

The increase in salt and water retention(passive) caused byThe increase in salt and water retention

the head or skin(passive) caused bythe head or skin

the regulatory systeminfluencingthe regulatory system

in lower liver and renal bloodresultsin lower liver and renal blood

to poor outcomesleadingto poor outcomes

pronounced chronic systemic venous congestion(passive) caused bypronounced chronic systemic venous congestion

in inadequate blood pressure and reduced blood flow to the brain , kidneys , heartresultsin inadequate blood pressure and reduced blood flow to the brain , kidneys , heart

to cardiorenal syndromeleadingto cardiorenal syndrome

to sluggish blood flow through the pulmonary artery which may predispose to the development of pulmonary thrombileadingto sluggish blood flow through the pulmonary artery which may predispose to the development of pulmonary thrombi

to decreased renal perfusion and is associated with reduced renal functionmay leadto decreased renal perfusion and is associated with reduced renal function

an increase in end - diastolic volume and pressurecausesan increase in end - diastolic volume and pressure

to decreased forward flow and hence low effective arterial volumeleadingto decreased forward flow and hence low effective arterial volume

to decreased renal perfusionmay leadto decreased renal perfusion

in decreased tissue perfusioncan resultin decreased tissue perfusion

perfusion and oxygen delivery ( andcausingperfusion and oxygen delivery ( and

in inadequate tissue perfusionresultingin inadequate tissue perfusion

in inadequate tissue perfusion despite adequate circulating volumeresultingin inadequate tissue perfusion despite adequate circulating volume

renal perfusion(passive) caused byrenal perfusion

to compromised tissue / organ perfusionleadingto compromised tissue / organ perfusion

in hypotension and end - organ failureresultingin hypotension and end - organ failure

hypotension and end - organ failurecausinghypotension and end - organ failure

to a prolonged circulation timeleadingto a prolonged circulation time

to decreased perfusion , systemic vasodilation and afferent arteriolar vasoconstrictionresultingto decreased perfusion , systemic vasodilation and afferent arteriolar vasoconstriction

alsocan ... causealso

hypotensioncausinghypotension

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