Complications
Complication
Timeframe
Likelihood
short term
medium
Patients, including children, with sustained tachycardias may develop congestive heart failure.[21]
Treatment is focused on stopping the arrhythmia.
short term
medium
Many of these dysrhythmias are recurrent and resistant to pharmacological intervention.
Refer for catheter ablation, which is curative in many cases.
short term
low
This is a rare complication, secondary to incessant atrial tachycardia.
Cardiomyopathy is observed in patients with delayed presentations, often older children or patients with already compromised cardiopulmonary reserves. It often reverses once the tachycardia is controlled.
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