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Line 23: |
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| − | ===Bundle Branch Block=== | + | ===[[Bundle Branch Block]]=== |
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| − | *Abnormal ventricular excitation as the result of blockage to the right bundle branch, the left bundle branch, or left anterior fascicular block.
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| − | ====Right Bundle Branch Block====
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| − | Characterised by the failure or delay of conduction through the right bundle branch. Left ventricle is unaffected.
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| − | =====Causes=====
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| − | Pulmonary embolism, heart worm, electrolyte disturbances, congenital diseases etc.
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| − | '''ECG Appearance:''' Wide QRS complex, Wide S wave
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| − | =====Treatment=====
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| − | Treat the underlying cause
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| − | ====Left Bundle Branch Block====
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| − | Characterised by the failure of conduction through the left bundle branch. Right ventricle is unaffected.
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| − | =====Causes=====
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| − | Congenital abnormalities, myocardial diseases etc.
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| − | =====Treatment=====
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| − | Treat the underlying cause
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| − | '''Left Anterior Fascicular Block'''=characterised by the failure of conduction through the anterior fascicle of the left bundle branch.
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| − | '''Causes:''' Electrolyte abnormalities, hypertrophic cardiomyopathy (cat), etc.
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| − | '''ECG Appearance:''' Normal QRS, tall R waves, deep S waves
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| − | '''Treatment:''' Treat the underlying cause
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| | ===Wolff-Parkinson-White Syndrome (Ventricular Preexcitation Syndrome=== | | ===Wolff-Parkinson-White Syndrome (Ventricular Preexcitation Syndrome=== |