Cardiogenic shock induced by basal septal hypertrophy and left ventricular outflow tract dynamic obstruction in a critically ill patient with sepsis

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Left ventricular outflow tract (LVOT) dynamic obstruction has been typically described in hypertrophic cardiomyopathy [1]. However, basal septal hypertrophy (BSH), a frequently observed cardiac structural abnormality in elderly patients with hypertension, can also cause LVOT dynamic obstruction [2]. In some cases, LVOT dynamic obstruction may result in a stroke volume reduction and hemodynamic deterioration [3]. On the other hand, hypotension in sepsis is primarily caused by peripheral vasodilation rather than reduced cardiac output [4].