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Qaagi - Book of Why

Causes

Effects

These changesleadto common ECG findings of left axis deviation

The wave - front instead moves more quickly through the left anterior fascicle and right bundle branchleadingto a right axis deviation seen on the ECG

both LPH and LAHcan causeleft axis deviation

LAFB may be difficult to recognize when combined with inferior MIcan causeleft axis deviation

character underlying clinical biology ( i.e. left ventricular hypertrophycan causeleft axis deviation

lots of things , including left ventricular hypertrophy(passive) can be caused byLeft Axis Deviation

left bundle branch block(passive) caused byLeft axis deviation

Breathing disorders such as COPDmay causeleft axis deviation

What conditionscan causeLeft axis deviation

People with COPDmay causeleft axis deviation

Hypertension ( high blood pressurecan very often resultin left ventricular hypertrophy causing left axis deviation

representing enlargement of the RV outflow tract Ectopic atrial pacemaker or first - degree heart block Left superior axis deviationleadsrepresenting enlargement of the RV outflow tract Ectopic atrial pacemaker or first - degree heart block Left superior axis deviation

should be examined?","questionTimeSeconds":"0","questionTimeMinutes":"1","questionImagePath":null,"position":null,"explanation":"","question_score_id":null,"lang":"","questionAudioPath":nullleadsshould be examined?","questionTimeSeconds":"0","questionTimeMinutes":"1","questionImagePath":null,"position":null,"explanation":"","question_score_id":null,"lang":"","questionAudioPath":null

Axis I – 90 ° AVR – 60 ° IIleadAxis I – 90 ° AVR – 60 ° II

a 12 lead ECG , which shows normal intervals and right / septal hypertrophywould have prompteda 12 lead ECG , which shows normal intervals and right / septal hypertrophy

to 0 % of the R to R intervalTriggeredto 0 % of the R to R interval

from Hypertrophy of the Left VentricleResultingfrom Hypertrophy of the Left Ventricle

in 3 places in the heart – the SA nodecan originatein 3 places in the heart – the SA node

to 40 % of the R to R interval MSM 8 mmTriggeredto 40 % of the R to R interval MSM 8 mm

shortness of breathcausesshortness of breath

to “ New Only ” and New Only was not present in the previous ECG but is present in the currentis setto “ New Only ” and New Only was not present in the previous ECG but is present in the current

me to consider these conditionspromptsme to consider these conditions

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Smart Reasoning:

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