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Qaagi - Book of Why

Causes

Effects

At birth At birth , there is a reversal in the pressure gradient between the atriaresultingin functional closure of the valve of the foramen ovale

the right atrial pressurecausingfunctional closure of the foramen ovale

the increased left atrial blood flow and pressurecausesthe functional closure of the foramen ovale

the left atrial pressure to exceed the pressure in the right atriumresultingin functional closure of the foramen ovale

the right atrial pressurecausingoperating closure of the foramen ovale

The newly grown tissueleadsto the closure of the patent foramen ovale

Prostaglandin antagonism , such as maternal use of nonsteroidal anti - inflammatory medications ( NSAIDscan causefetal closure of the ductus arteriosus

After birthcausesthe functional closure of the foramen ovale

blocking blood flow to the tunnelresultingin " closure " of the Patent Foramen Ovale

begin workingcausingthe foramen ovale to close entirely

The increased pulmonary return increases pressure in the left atriumcausingclosure of the foramen ovale

right atrial pressureleadsto closure of the foramen ovale

the pressure in the right atriumleadingto closure of the foramen ovale

the left atrial pressure to exceed the right atrial pressureleadingto closure of the foramen ovale

to exceed the right atrial pressureleadingto closure of the foramen ovale

At birth , the increase in pulmonary blood flow causes the left atrial pressure to exceed the right atrial pressureleadingto closure of the foramen ovale

the right atriumcausingthe foramen ovale to close

this pressure is higher than the pressure in the right atriumpromptingthe foramen ovale to close

pressureresultingin the foramen ovale to close

An increase in right atrial pressuremay causeopening of the foramen ovale

the lungs ... workingcausingthe closure of foramen ovale

Additionally , the increase in the concentration of oxygen in the blood leads to a decrease in prostaglandinscausingclosure of the ductus arteriosus

which progress until 15 monthsresultingin apical closure

The factorsledto opening of the foramen ovale

Additionally , the increase in the concentration of oxygen in the blood leads to a decrease in prostaglandinscausingclosure of the ductus

treating tissue adjacent a patent foramen ovale ( PFOto causeclosure of the foramen

ie : pulmonary hypertension due to various causes , or transiently during a coughcan causeopening of the foramen ovale

As a result , pressure in the right atrium increasescould leadto a reopening of the foramen ovale

the right atrium increasescould leadto a reopening of the foramen ovale

atrium increasescould leadto a reopening of the foramen ovale

As a result , pressure in the -karat atrium increasescould leadto a reopening of the foramen ovale

m increasescould leadto a reopening of the foramen ovale

the -karat atrium increasescould leadto a reopening of the foramen ovale

difficulties in the -karat atrium increasescould leadto a reopening of the foramen ovale

Reversal of the pressure difference between the left and right atriacausesthe foramen ovale

premature closure of the ductus arteriosusmay causepremature closure of the ductus arteriosus

in an opening in the septum between the two atriaresultingin an opening in the septum between the two atria

to acute decompensationledto acute decompensation

blood flowcausingblood flow

to morbidityleadingto morbidity

cyanosis(passive) caused bycyanosis

a right - to - left shuntcausinga right - to - left shunt

to flattening of the orbit on the involved side ( plagiocephalyleadsto flattening of the orbit on the involved side ( plagiocephaly

this conditioncan causethis condition

This lack of supply(passive) is caused byThis lack of supply

a heart attack in about 3 to 5 percent of patientscan causea heart attack in about 3 to 5 percent of patients

five adverse events without permanent sequelaecausedfive adverse events without permanent sequelae

to another form of plagiocephalyleadsto another form of plagiocephaly

problems from hearing loss to impotencycausesproblems from hearing loss to impotency

no symptomsmay causeno symptoms

A2(passive) is caused byA2

Teramo K. Intrauterine hydrops(passive) caused byTeramo K. Intrauterine hydrops

in scaphocephalyresultsin scaphocephaly

a notch known as the dicrotic notch ( Dcausesa notch known as the dicrotic notch ( D

up an objectsetsup an object

in resolution of cyanosis or pulmonary hypertensionoften resultsin resolution of cyanosis or pulmonary hypertension

up a system to deal with the potential for posteriorsetsup a system to deal with the potential for posterior

headacheshas causedheadaches

to block wind and keep you warmis designedto block wind and keep you warm

as a Saddledesignedas a Saddle

arteriescausingarteries

in substantially improved rates of adhesion formation for women undergoing cesarean delivery ( Obstetresultedin substantially improved rates of adhesion formation for women undergoing cesarean delivery ( Obstet

from movement of the epidermal cells over the amnioserosaresultsfrom movement of the epidermal cells over the amnioserosa

a deviation in the mandiblecausinga deviation in the mandible

to defective heart morphogenesisleadingto defective heart morphogenesis

to recurrence of the symptom ( UGI bleed / Ascitesmay leadto recurrence of the symptom ( UGI bleed / Ascites

in the complete septation of the heart chambers ( Fig . 6resultingin the complete septation of the heart chambers ( Fig . 6

to paradoxical arterial embolismleadingto paradoxical arterial embolism

the hypoxemiacausingthe hypoxemia

to severe hypoxialeadingto severe hypoxia

to the left atriumleadingto the left atrium

to cyanosisleadingto cyanosis

the newborn to appear mildly cyanotic in the first few days of lifecausesthe newborn to appear mildly cyanotic in the first few days of life

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