Other

Drugs and stimulants Commotio cordis

Primary pulmonary hypertension (PPH)*

*Familial/genetic etiology.

The cause of sudden cardiac death in young athletes (<35 years) is usually a structural cardiac abnormality, with hypertrophic cardiomyopathy and coronary artery anomalies representing 36% and 17% of U.S. cases, respectively (Box 29-2) (Maron et al., 2009). Commotio cordis, involving a blunt, nonpenetrating blow to the chest that leads to a ventricular arrhythmia, accounts for approximately 3% of cases. Commotio cordis is most common in younger athletes (mean age, 13 years) with compliant chest walls (Maron et al., 2002). Commotio cordis occurs most often in sports using a firm projectile, such as baseball, softball, hockey, and lacrosse, but can also occur from contact with stationary field equipment, the ground, or another player. In older athletes (>35), atherosclerotic CAD accounts for more than 75% of cases of sudden cardiac death.

Baseball For Boys

Baseball For Boys

Since World War II, there has been a tremendous change in the makeup and direction of kid baseball, as it is called. Adults, showing an unprecedented interest in the activity, have initiated and developed programs in thousands of towns across the United States programs that providebr wholesome recreation for millions of youngsters and are often a source of pride and joy to the community in which they exist.

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