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Qaagi - Book of Why

Causes

Effects

heat ... along with the removal of the fluidcausessevere vascular contraction

along with the removal of the fluidcausessevere vascular contraction

The nicotine in cigarette smokecausesvasoconstriction ( blood vessel contraction

receptors on smooth muscle cellscausescontraction , vasoconstriction

opening channelscausesdepolarization contraction

If no R - wave is detected within a defined atrial - ventricular interval ( AV interval , also referred to as AV delay ) , a stimulation pulse is delivered to the ventricleto causeventricular contraction

calciumcausesarterial muscle contraction

A depolarization of the His Bundle will then be conducted through the ventricles via the left and right bundle branches and the Purkinje fibersto causeventricular contraction

The electrical impulse ... the Purkinje fibrescausesventricular contraction

ventricular stimulationcausingventricular contraction

a cardiac impulse ... in one cyclecausesventricular contraction

the vein wallcausingcontraction of the vein

The Bundle of His innervates nerve fibres ( Purkinje fibres ) in the ventricular wallcausingventricular contraction

Purkinje fibers of the ventriclescausingventricular contraction

stimulation of Purkinje fiberscausesventricular contraction

Electrical signals start at the SA nodecausingatria contraction

Electrical signals start at the SA node ,causingatria contraction

then to the purkinje fibers at the bottom ( apex ) of the heartcausingventricular contraction

The atrioventricular nodecausesVentricular contraction

the atrioventricular ( A - V ) nodecausesventricular contraction

the ventriclescausesventricular contraction

This action potential ... the ventricles ( 3causesventricular contraction

typically the Av nodeinfluencesventricular contraction

Stress fiber formation within smooth muscle cells and a reduction in the secretion of vasoactive factors combineto causevascular contraction

Purkinje fibrescauseventricular contraction

the atriacausingatria contraction

orderto causeventricular contraction

in one cyclecausesventricular contraction

by a combination of vascular trauma and a moderate level of radiation(passive) is causedvascular contraction

stimulation of almost any nervecausesvascular contraction

enzymecausesvascular contraction

the enzymecausesvascular contraction

vasoactive substancesinfluencevascular contraction

glucoseto causevascular contraction

The tip of the catheter rotatesvery quickly resultingin the contraction of the veins

the hyperactive nerve cellsresultin the contraction of veins

then firescausingventricular contraction

by angiotensin(passive) caused byartery contraction

by angiotensin (passive) caused byartery contraction

The risks of damage increase when injecting cocaine / crack ... and a has a local aesthetic affectcausescontraction of veins

to further increases in venous pressureleadingto further increases in venous pressure

in the closing down of the veinwill resultin the closing down of the vein

the pressure to risecausingthe pressure to rise

the veins to bulgecausingthe veins to bulge

vasoconstriction ... decreased blood vessel diametercausesvasoconstriction ... decreased blood vessel diameter

to the cellleadingto the cell

to their occlusionledto their occlusion

early emptying of the left ventricle ( LV ) into the aortacausesearly emptying of the left ventricle ( LV ) into the aorta

to swelling in the legs and painleadsto swelling in the legs and pain

in chas ... resultedin c

compartment syndromecausingcompartment syndrome

the AV valves to close , which is the beginning of ventricular systolecausesthe AV valves to close , which is the beginning of ventricular systole

the atrial flutter cycle length(passive) caused bythe atrial flutter cycle length

deformation(passive) caused bydeformation

the increased loading(passive) caused bythe increased loading

to scar tissue in the veinleadsto scar tissue in the vein

in the obstruction of the lumen of the vesselcan resultin the obstruction of the lumen of the vessel

alsocan ... causealso

high blood pressurecausinghigh blood pressure

premature labor and prematurecan also causepremature labor and premature

her leg to split opencausedher leg to split open

to decreased blood pressureleadingto decreased blood pressure

premature labor and birthcan also causepremature labor and birth

premature labor and premature birthcan also causepremature labor and premature birth

in diseaseresultsin disease

premature labor and premature birth.[16can ... causepremature labor and premature birth.[16

D4Z4 hypomethylationcausesD4Z4 hypomethylation

in the reduction or elimination of left ventricular outflow tractresultingin the reduction or elimination of left ventricular outflow tract

from an abnormal vascular toneresultingfrom an abnormal vascular tone

fibrosiscausingfibrosis

the headacheis causingthe headache

gastrointestinal discomfortwill causegastrointestinal discomfort

in childhood and loss of the opposite directionresultingin childhood and loss of the opposite direction

to the creation the world we knowleadto the creation the world we know

to increasing the intrathoracic volumecontributes greatlyto increasing the intrathoracic volume

to the creation the worldleadto the creation the world

in an increased risk of atelectasisresultsin an increased risk of atelectasis

ipsilateral lateral flexion of the neckcausesipsilateral lateral flexion of the neck

to tension headaches and backachesleadingto tension headaches and backaches

to the creationleadto the creation

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