Detraining-Related Changes in Left Ventricular Wall Thickness and Longitudinal Strain in a Young Athlete Likely to Have Hypertrophic Cardiomyopathy

Table 2 Differentiation between physiologic and pathologic LV hypertrophy in the athlete, based on clinical ECG, Echocardiography and Cardiac Magnetic Resonance.

	AH
No family history of HCM	+	-
Atypical symptoms	-	-
Race, age, type of sports	-	+
ECG criteria for LV hypertrophy	-	+
Deep T wave inversion on ECG	-	+
Septal hypertrophy (>13mm)	Gray area
Apical hypertrophy (>15mm)	-	+
LV end-diastolic diameter (45-55mm)	Gray area
No LVOT obstruction	-	-
LV diastolic dysfunction	-	+
Impaired longitudinal strain	-	+
Delay enhancement at CMRI	-	-
Peak VO₂ consumption	Gray area
SCORE	1 (+3)	6 (+3)

For details see text. CMRI, Cardiac magnetic resonance imagingHCM, hypertrophic cardiomyopathyLV, left ventricularLVOT, LV outflow tract obstruction. (+) Present / confirmed(-) Absent / excluded.