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 …
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 …
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 …
Ventricular outflow tract obstruction - Wikipedia
A ventricular outflow tract obstruction is a heart condition in which either the right or left ventricular outflow tract is blocked or obstructed. These obstructions represent a spectrum of disorders. Majority …
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 | Deranged Physiology
Jun 30, 2015 · Obstruction of the LVOT is something which can occur dynamically during systole, usually requiring the coexistence of some physiological change and some predisposing anatomic …
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 …
Left Ventricular Outflow Tract Obstruction (LVOTO) and SAM
Oct 10, 2022 · LVOTO and SAM can be challenging to diagnose as it requires an echo to visualize the leaflet of the mitral valve within the tract or measure increased velocities within the LVOT. It is …