a reversal of septal depolarisation with the right ventricle activating first via the usual pathway and the left ventricle activating via impulses passing through the septum from the right ventricle(passive) is caused byA left bundle branch block ( LBBB
heart disease , congestive heart failure , rheumatic fever , cardiomyopathy or thickened or stiffened or weakened heart muscle , arteriosclerosis , metastatic heart tumors and hypertension or high blood pressure(passive) is caused byThe left bundle branch block
coronary heart disease , congenital heart disease , or some lung conditions(passive) can be caused bybundle branch block
100 % right ventricular pacing(passive) caused byiatrogenic left bundle branch block
an inter - and / or - intra Ventricular Conduction Delay ( IVCDtypically resultingfrom left bundle branch block ( LBBB
12 - 15 Right axis deviation(passive) caused by12 - 15 Right axis deviation
prominent secondary ST - T changes which may both imitate and mask ischemiaalways causesprominent secondary ST - T changes which may both imitate and mask ischemia
marked alterations of left ventricular de- and repolarization ; left bundle branch block always causes significant secondary ST - T changes which may both imitate and mask ischemiacausesmarked alterations of left ventricular de- and repolarization ; left bundle branch block always causes significant secondary ST - T changes which may both imitate and mask ischemia
a wide QRS complex(passive) caused bya wide QRS complex
When the left bundle branch is Left axis deviation(passive) caused byWhen the left bundle branch is Left axis deviation
example(passive) caused byexample
a characteristic change on the ECGcausesa characteristic change on the ECG
issues(passive) caused byissues
AB - Mechanical dyssynchrony(passive) caused byAB - Mechanical dyssynchrony
substantial changes in left ventricular de- and repolarization , which result in ( secondary ) ST - T changescausessubstantial changes in left ventricular de- and repolarization , which result in ( secondary ) ST - T changes
all the clinical consequences(passive) created byall the clinical consequences
in deep S waves and wide QRS complexeswill resultin deep S waves and wide QRS complexes
a non - invasive search for underlying heart diseaseshould triggera non - invasive search for underlying heart disease
dysschronous ventricular contractions which may result in heart failurecan causedysschronous ventricular contractions which may result in heart failure
to abnormal ventricular depolarization and introduces dyssynchrony between right and left ventricular ( LV ) contraction and relaxation.1–6 ⇓ ⇓ ⇓ ⇓ ⇓ In patients with heart failureleadsto abnormal ventricular depolarization and introduces dyssynchrony between right and left ventricular ( LV ) contraction and relaxation.1–6 ⇓ ⇓ ⇓ ⇓ ⇓ In patients with heart failure
in tall R waves and wide QRS complexeswill resultin tall R waves and wide QRS complexes
faintness in some peoplecan causefaintness in some people
to dyssynchronous left ventricular ( LV ) contraction and relaxation which may contribute to LV dysfunction and ultimately heart failureleadsto dyssynchronous left ventricular ( LV ) contraction and relaxation which may contribute to LV dysfunction and ultimately heart failure
to dyssynchronous mechanical activation of the left ventricle ( LVleadsto dyssynchronous mechanical activation of the left ventricle ( LV
in sustained reversal of severe LV dysfunction in certain patients with chronic heart failure due to non - ischaemic cardiomyopathycould resultin sustained reversal of severe LV dysfunction in certain patients with chronic heart failure due to non - ischaemic cardiomyopathy
in a delayed depolarization on the left ventricleresultingin a delayed depolarization on the left ventricle
to prolongation of the QRS interval and sometimes to alterations in the QRS vectorleadsto prolongation of the QRS interval and sometimes to alterations in the QRS vector
in delayed pulmonic valve closing!Des signes d'une réaction allergique importante ( parresultsin delayed pulmonic valve closing!Des signes d'une réaction allergique importante ( par
heart failure progression in similar patients with mild ( NYHA class l - ll ) heart failure symptoms ( online head 1000also preventsheart failure progression in similar patients with mild ( NYHA class l - ll ) heart failure symptoms ( online head 1000
Approximately ⅔ of all patients having heart failure sufferer from systolic heart failure , in which the efficiency of the blood ejection is greatly worsened(passive) e.g. ... caused byApproximately ⅔ of all patients having heart failure sufferer from systolic heart failure , in which the efficiency of the blood ejection is greatly worsened
mechanical dyssynchrony between different regions of the regularly beating heart — e.g .(passive) caused bymechanical dyssynchrony between different regions of the regularly beating heart — e.g .
the left ventricle to activate later then the right ventriclecausesthe left ventricle to activate later then the right ventricle
deranged ventricular contraction or dyssynchronycausesderanged ventricular contraction or dyssynchrony
a late depolarization and thus a late repolarization of the left ventriclecausesa late depolarization and thus a late repolarization of the left ventricle
the same type of widened QRS complexcausesthe same type of widened QRS complex
to an electrical dyssynchrony that can make their heart worseleadsto an electrical dyssynchrony that can make their heart worse
Heart left bundle branch block symptomscausesHeart left bundle branch block symptoms
a widened and possibly jagged QRS waveform ... while supraventricular tachycardia typically exhibits a narrow QRS complex on the ECGcausesa widened and possibly jagged QRS waveform ... while supraventricular tachycardia typically exhibits a narrow QRS complex on the ECG
from the conduction block of either left or right bundle branchesresultsfrom the conduction block of either left or right bundle branches
from a defect in ventricular conductionresultingfrom a defect in ventricular conduction
from a single lesion in the proximal part of the right bundle branch or the bundle of My Canadian Pharmacy 'smight resultfrom a single lesion in the proximal part of the right bundle branch or the bundle of My Canadian Pharmacy 's
ST segment depression ... usually in leads V1-V3can causeST segment depression ... usually in leads V1-V3