Immediately following this devastating loss, Mahler learned that his heart was defective, a diagnosis subsequently confirmed by a Vienna specialist, who ordered a curtailment of all forms of vigorous exercise.
Inmediatamente despois desta perda devastadora, Mahler descubriu que tiña problemas de corazón, un diagnóstico confirmado posteriormente por un especialista en Viena, quen lle ordenou unha redución de calquera tipo de exercicio vigoroso.