Is it common for athletic children to have sudden-cardiac arrest/deaths?

Rare. But does occur with some congenital lesions, marfans, trauma.
Yes and no. If the child has a cardiac problem that has not been diagnosed, they are more prone to have a cardiac arrest if they participate in athletic activities. Hope this makes sense!

Related Questions

How common is sudden cardiac arrest in school-age children?

Very rare. This is an extremely rare phenomena. Can happen in the setting of trauma to the chest, or underlying congenital heart disease perhaps, can also be seen in the setting of a deterioration of the heart muscle called cardiomyopathy, but all in all this is much rarer than in adults fortunately. Read more...
Rare. 1 case in 1-200000 people is the risk in the population as a whole.Much less under middle school age. Read more...
Very rare. The is usually one of 3 things: hocm, comordio cordis (cc) or aberrant coronary artery (aca). Hypertrophic obstructive cardiomyopathy is obst. To outflow of the left ventricle by abn. Muscle growth, it is dx'd by ultrasound. Cc happens when a sudden blow to the chest occurs at exactly the right time in the cardiac cycle. Aca when crushed between aorta and pulmonary artery during heavy exertion. Read more...

Can a child die of sudden cardiac arrest without having shown symptoms before death?

Absolutely. However, this is a diagnosis of exclusion, and far less common in babies than an unsafe sleep environment. The channelopathies are a family of illnesses that take the lives of perhaps 4000 people, including kids, in the us each year. Anatomic heart defects and missed WPW can cause sudden witnessed death; anything from black widow bite to electrocution a negative autopsy if there are no witnesses. Read more...
Rarely happens. In deference to adults, who can drop like a stone, kids usually wind down like an old wind up doll before the heart goes. The few exceptions are crib death, kids born with heart rhythm issues or secondary rhythm issues due to repaired heart defects. Most arrests will come after a period of symptoms that show attempts to compensate for dehydration, breathing failure & low blood pressure. Read more...

How common is sudden cardiac arrest at 24 had past ecgs holter monitor no problems?

Uncommon. Sudden cardiac death is uncommon in 24 year olds. The most common causes of cardiac death in young people would be a congenital abnormality of the heart or hypertrophic cardiomyopathy. Both of these could be diagnosed with an echocardiogram, an ultrasound of the heart. Read more...