Sick sinus syndrome in childhood.

Sick sinus syndrome in childhood.

The clinical and electrocardiographic findings in five children with the sick sinus syndrome and an otherwise normal heart are described. There were three boys and two girls. Their age at onset of either bradycardia or symptoms ranged from 1 day to 7 years. In one patient, the youngest ever reported with this syndrome, bradycardia was noted before birth. Four children presented with neurologica...

The sick sinus syndrome.

1. a. SSS b. SA block c. SA arrest Sick sinus syndrome is a disorder characterized by a dysfunctional sinus node. It is often idiopathic and a result of degenerative fibrosis of nodal tissue. Certain disorders such as amyloidosis, connective tissue disease, Chagas disease, and hemochromatosis are examples of intrinsic causes. Hypertensive heart disease and cardiomyopathies account for a smaller...

Iatrogenic sick sinus syndrome.

A 50-year-old university professor originally from South America had a 3-day history of paroxysmal attacks of rapid palpitations accompanied by near syncope and followed by transient flushing of her head and neck. She had a history of rheumatic mitral valve stenosis due to rheumatic fever at age 15, for which successful mitral commissurotomy was performed at age 36. Subsequently, recurrent atta...

Sick sinus syndrome in children.

The ages of 6 male patients with the sick sinus syndrome ranged from 10-15 years when their symptoms began. At rest all had a heart rate of 60/min or less. Two had syncopal attacks which threatened life; 1 had only attacks of dizziness; the other 3 had no syncopal attacks but had recurrent attacks of supraventricular tachycardia ('brady-tachycardia syndrome') which were more resistant to drug t...

Sick sinus syndrome in Malaysians.