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Created page with '*Abnormal ventricular excitation as the result of blockage to the right bundle branch, the left bundle branch, or left anterior fascicular block. ====Right Bundle Branch Block=…'
*Abnormal ventricular excitation as the result of blockage to the right bundle branch, the left bundle branch, or left anterior fascicular block.
====Right Bundle Branch Block====
Characterised by the failure or delay of conduction through the right bundle branch. Left ventricle is unaffected.
=====Causes=====
Pulmonary embolism, heart worm, electrolyte disturbances, congenital diseases etc.
'''ECG Appearance:''' Wide QRS complex, Wide S wave
=====Treatment=====
Treat the underlying cause
====Left Bundle Branch Block====
Characterised by the failure of conduction through the left bundle branch. Right ventricle is unaffected.
=====Causes=====
Congenital abnormalities, myocardial diseases etc.
=====Treatment=====
Treat the underlying cause
'''Left Anterior Fascicular Block'''=characterised by the failure of conduction through the anterior fascicle of the left bundle branch.
'''Causes:''' Electrolyte abnormalities, hypertrophic cardiomyopathy (cat), etc.
'''ECG Appearance:''' Normal QRS, tall R waves, deep S waves
'''Treatment:''' Treat the underlying cause[[Category:Impulse_Conduction_Abnormalities]][[Category:To_Do_-_Cardiovascular]]
====Right Bundle Branch Block====
Characterised by the failure or delay of conduction through the right bundle branch. Left ventricle is unaffected.
=====Causes=====
Pulmonary embolism, heart worm, electrolyte disturbances, congenital diseases etc.
'''ECG Appearance:''' Wide QRS complex, Wide S wave
=====Treatment=====
Treat the underlying cause
====Left Bundle Branch Block====
Characterised by the failure of conduction through the left bundle branch. Right ventricle is unaffected.
=====Causes=====
Congenital abnormalities, myocardial diseases etc.
=====Treatment=====
Treat the underlying cause
'''Left Anterior Fascicular Block'''=characterised by the failure of conduction through the anterior fascicle of the left bundle branch.
'''Causes:''' Electrolyte abnormalities, hypertrophic cardiomyopathy (cat), etc.
'''ECG Appearance:''' Normal QRS, tall R waves, deep S waves
'''Treatment:''' Treat the underlying cause[[Category:Impulse_Conduction_Abnormalities]][[Category:To_Do_-_Cardiovascular]]