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Qaagi - Book of Why

Causes

Effects

Many medicationscan causebradycardia-

the bloodcan causebradycardia arrhythmias

ALUNBRIG ... antihypertensive agentscausebradycardia [ see Bradycardia

AV blockswill leadto ventricular bradycardia

Beta - blockers , particularly atenololmay causefetal bradycardia

less susceptibilityto causefetal bradycardia

Vigorous vagal maneuversmay causesudden bradycardia

by sick sinus syndrome , atrioventricular block , or a combination of sick sinus syndrome and/or atrioventricular block(passive) caused bysymptomatic bradycardia

by sinus node dysfunction(passive) caused bysymptomatic bradycardia

Amiodarone diltiazem ... any drugs ... e.g. beta blockers and calcium channel blockerscausebradycardia

beta - blockers and calcium - channel blockers ... cardiac conductioncausebradycardia

by a heart block or dysfunction with the sinus node(passive) caused bybradycardia

by sinus node dysfunction or AV block(passive) caused bybradycardia

oods such as x ray absorptiometry , patients with esophageal abnormalitiesmay causefetal bradycardia

Any drugs ... beta blockers , calcium channel blockerscausebradycardia

calcium - channel blockers ... cardiac conductioncausebradycardia

by atrioventricular block or sinus node dysfunction(passive) caused byBradycardia

In sinus node failure , the junctional pacemaker rate may be higher than the sinus rateresultingin junctional bradycardia

Digitalis , beta - blockers , and calcium channel blockerscan also causebradycardia

by increased vagal tone or AV block(passive) caused bybradycardia

that vagal stimulation and combination of drugs likelyto causebradycardia

a medicationcausessymptomatic bradycardia

the pacemaker & AV node conductioncausingbradycardia

tachycardia , beta blockers and calcium channel blockerscan causebradycardia

Rapid intravenous administration of calciummay causebradycardia

Sinoatrial diseasecan causesymptomatic bradycardia

A sick sinus node or conduction abnormalitiesmay causebradycardia

automatic , not reentrant , conduction initiated from sites at the atrioventricular junction , but not the ATRIOVENTRICULAR NODE(passive) caused bysupraventricular tachycardia

concurrent use of concomitant medications knownto causebradycardia

increased cardiac parasympathetic activitycausingbradycardia

Calcium channel blockers ( ... Treatment of toxicity For bradycardia atropinecausingbradycardia)

by increased vagal tone or cholinergic drug toxicity(passive) caused bybradycardia

the use of concomitant medications knownto causebradycardia

use of concomitant medications knownto causebradycardia

sinus node dysfunctionresultingbradycardia

Sinus node dysfunctioncausesbradycardia

concurrent use of XALKORI in combination with other medications knownto causebradycardia

effect medications knownto causebradycardia

smaller doses ( less than 100mcg ... to riskcausingiatrogenic bradycardia

concomitant use of concomitant medications propranolol ... knownto causebradycardia

to asystoleleadingto asystole

from a lack of communicationcan resultfrom a lack of communication

to hypotensionmay leadto hypotension

including a patient deathhas resultedincluding a patient death

from AV nodal reentryresultingfrom AV nodal reentry

a number of symptomscan causea number of symptoms

from atrioventricular nodal reentryresultingfrom atrioventricular nodal reentry

a number of signs and symptoms including low blood pressure , pulmonary edema / congestion , abnormal rhythm , chest discomfort , shortness of breath , lightheadedness , confusion , and/or or syncopemay causea number of signs and symptoms including low blood pressure , pulmonary edema / congestion , abnormal rhythm , chest discomfort , shortness of breath , lightheadedness , confusion , and/or or syncope

to asystole during dexmedetomidine infusion in an 18 year - old double - lung transplant recipientleadingto asystole during dexmedetomidine infusion in an 18 year - old double - lung transplant recipient

LOCrarely causesLOC

episodes marked by an abnormally fast but regular heart ratecausesepisodes marked by an abnormally fast but regular heart rate

a number of signs and symptoms including low blood pressure , pulmonary edema and congestion , abnormal rhythm , chest discomfort , shortness of breath , lightheadedness , and/or confusionmay causea number of signs and symptoms including low blood pressure , pulmonary edema and congestion , abnormal rhythm , chest discomfort , shortness of breath , lightheadedness , and/or confusion

somewhere above the ventriclesoriginatessomewhere above the ventricles

symptoms such as dizziness , fatigue , or fainting spellscan causesymptoms such as dizziness , fatigue , or fainting spells

the racing heartbeat(passive) caused bythe racing heartbeat

lightheadedness , fatigue , fainting or near - fainting spells , dizziness , and at times cardiac arrestcauseslightheadedness , fatigue , fainting or near - fainting spells , dizziness , and at times cardiac arrest

to drug discontinuationleadingto drug discontinuation

usuallycausesusually

dizziness , fatigue , shortness of breath or fainting spellscausesdizziness , fatigue , shortness of breath or fainting spells

when sustainedcan leadwhen sustained

in heart failure Deficiency of the enzyme beta - glucuronidaseresultingin heart failure Deficiency of the enzyme beta - glucuronidase

ear pain(passive) was caused byear pain

congestive heart failurecausingcongestive heart failure

svtcausessvt

weakness and lethargycan causeweakness and lethargy

patients to experience dizziness , fatigue , shortness of breath or fainting spellscausespatients to experience dizziness , fatigue , shortness of breath or fainting spells

in vertigo , syncope , or postural hypotensionmay resultin vertigo , syncope , or postural hypotension

from sinus node dysfunction or AV blockresultingfrom sinus node dysfunction or AV block

to AV blockleadingto AV block

in hospitalization and pacemaker insertionresultingin hospitalization and pacemaker insertion

syncope , sinus node impairmentcausingsyncope , sinus node impairment

cardiac arrest and deathcan causecardiac arrest and death

dizziness , weakness , lack of energy , or fainting spellscan causedizziness , weakness , lack of energy , or fainting spells

dizziness , weakness , lack of energy , or fainting spellscan causedizziness , weakness , lack of energy , or fainting spells

in cardiogenic shock and cardiac arrestresultingin cardiogenic shock and cardiac arrest

dizziness , shortness of breath , and faintingcan causedizziness , shortness of breath , and fainting

symptoms such as fatigue , dizziness , and faintingcan causesymptoms such as fatigue , dizziness , and fainting

to syncope without a functioning pacemakerleadingto syncope without a functioning pacemaker

symptoms is a pacemakercausessymptoms is a pacemaker

to dizziness , fatigue and shortness of breathleadsto dizziness , fatigue and shortness of breath

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Smart Reasoning:

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