After a detailed questionnaire (including any symptoms or family history) and brief examination, 12-lead ECG should be the primary investigation. Persons with two or more borderline ECG findings or any abnormal ECG findings require further investigation.
Transthoracic echocardiography is recommended as a second-line investigation in the case of an ECG-only screening in young athletes with an abnormal ECG findings, cardiovascular symptoms, abnormal physical examination findings, or a family history of sudden death under age 40 years.
Cardiac chamber dimensions in young female athletes are typically within the established normal range. In the rare cases in which they fall outside the established normal range, further investigation is required. Young male athletes more frequently demonstrate a degree of eccentric remodeling of all cardiac chambers.
Left ventricular and right ventricular cavity sizes are similar between young African/Afro-Caribbean and white athletes; however, wall thicknesses and left atrial size are often larger in African/Afro-Caribbean athletes. Any wall thickness > 13 mm in white male athletes (or > 11 mm in white female athletes) or > 15 mm in African/Afro-Caribbean male athletes (or > 13 mm in African/Afro-Caribbean female athletes) requires further investigation.
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Cite this: Yasmine S. Ali. Fast Five Quiz: New Cardiology Guidelines - Medscape - Oct 25, 2018.