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Category:Altered Supraventricular Impulse Formations (view source)

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===2. Supraventricular Premature Complexes===

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===2. [[Supraventricular Premature Complexes]]===

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~~Small Animal: Common~~

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~~Large Animal: Uncommon, but more common then ventricular premature complexes~~

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~~a. '''Atrial Premature Complexes (APC)='''As the name suggests, an APC is an abnormal ectopic premature beat occurring in the atrial tissue outside the SA node and above the AV node.~~

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~~b. '''Junctional Premature Complexes (JPC)='''As the name suggests, a JPC is an abnormal ectopic premature beat occurring in the AV nodal region.~~

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~~====Causes====~~

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~~APCs and JPCs can arise as the result of pathological conditions in the cardiac atria, or electrolyte and acid-base disturbances.~~

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~~'''ECG Appearance:''' Premature ectopic P wave +/-; Premature QRS complex~~

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~~====Treatment====~~

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~~'''Small Animals'''~~

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*Treat underlying cause

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*Treat with antiarrhythmic drugs if clinical signs remain

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~~Antiarrhythmic drugs: e.g digoxin, diltiazem~~

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~~'''Large Animals'''~~

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*Treat underlying cause

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*Box rest with heart rate and rhythm monitoring

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*If + for heart failure, give digoxin

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*Vagal manoeuvres (e.g. carotid sinus or ocular massage)

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*Quinidine sulfate

===3. Atrial Fibrillation & Atrial Flutter===

Bara

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Category:Altered Supraventricular Impulse Formations (view source)

Revision as of 09:42, 2 July 2010

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