Left Ventricular Outflow Tract Obstruction (LVOTO) • LITFL • CCC
May 5, 2022 · LVOTO is defined as “an instantaneous peak Doppler LVOT pressure gradient at least 30 mmHg at rest or during physiological provocation such as Valsalva manoeuvre (Slama et al, 2012)
Left Ventricular Outflow Obstruction | Cleveland Clinic
Oct 10, 2024 · Left ventricular outflow tract (LVOT) obstruction is a condition that restricts blood flow from the left ventricle of the heart. LVOT obstruction is defined as a peak gradient of at least 30 mm …
Ventricular outflow tract - Wikipedia
The left ventricular outflow tract (LVOT), which connects to the aorta, is nearly indistinguishable from the rest of the ventricle. The outflow tract is derived from the secondary heart field, during cardiogenesis.
Hypertrophic cardiomyopathy: Management of patients with ... - UpToDate
Jun 23, 2025 · Hypertrophic cardiomyopathy (HCM) is a genetically determined disease that commonly results in obstruction of the left ventricular outflow tract (LVOT), which can produce chest discomfort, …
What Is LVOT Obstruction? Causes, Symptoms & Treatment
Aug 20, 2025 · Left Ventricular Outflow Tract (LVOT) obstruction is a condition where the pathway for blood to exit the heart’s main pumping chamber, the left ventricle, becomes narrowed. When blood …
Update on left ventricular outflow tract obstruction - PMC
Initially, LVOT obstruction (LVOTO) was considered a pathognomonic finding of HCM, and cardiac catheterization for documenting the pressure gradient within the LV was deemed essential for an …
What is left ventricular outflow tract obstruction? | Top Doctors
May 18, 2023 · What is left ventricular outflow tract obstruction (LVOTO)? The left ventricle is the main ventricle of the heart. Left ventricular outflow tract obstruction (LVOTO) is a blockage in the exit, …
Dynamic left ventricular outflow tract obstruction (LVOTO)
Nov 15, 2021 · LVOTO is caused by fast-flowing blood through the LV outflow tract which pulls the mitral valve anteriorly (towards the LV outflow tract) due to a Venturi effect. This is known as systolic …
Left ventricular outflow tract obstruction - Radiopaedia.org
Sep 4, 2025 · Left ventricular outflow tract (LVOT) obstruction describes a state in which the egress of blood from the left ventricle to the systemic circulation is impeded as it traverses the anatomic LVOT …
Left Ventricular Outflow Tract Obstruction: Causes, Symptoms
Jun 24, 2023 · Left ventricular outflow tract obstruction (LVOTO) refers to a condition where there is an obstruction to the flow of blood from the left ventricle of the heart. This obstruction can occur at …