Atrial tachycardia
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16.10.08
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mechanism: abnormal automaticity
P wave in lead II should be upwards; however, these P waves are upside down
so that means the direction of impulse conduction is reversed—right atrium to left atrium instead of left to right
sx
palpitations
lightheadedness
rx
Ca-channel blockers
β-blockers
class IC agent to suppress automaticity
ablation is often required for cure
Category: Pathology Notes
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