EchoAssist™ Navigator — TEE

Comprehensive transesophageal echocardiography protocol with ME, TG, and UE views, clinical applications, and intraoperative guidance.

Safety: Confirm no absolute contraindications (esophageal stricture, active GI bleed, recent esophageal surgery). Relative: esophageal varices, cervical spine instability, coagulopathy. Bite block in place. Continuous monitoring required.

Protocol Progress

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LV/RV size and function, MV/TV morphology, ASD/PFO, LA/RA assessment

LV size and systolic functionCritical

Biplane EF if needed. Assess all walls

RV size and function

RV should be <2/3 LV size. TAPSE not feasible — use FAC or S'

Mitral valve morphology (A4C equivalent)Critical

Leaflet coaptation, prolapse, restriction, calcification

Tricuspid valve morphology

TR severity, leaflet morphology

Left atrium size and LAA

LA dilation? Spontaneous echo contrast (SEC)?

Interatrial septum (ASD/PFO)Critical

Color Doppler + bubble study if PFO suspected

MR color DopplerCritical

Jet origin, direction, extent. Vena contracta

TR color Doppler + CW

TR Vmax for RVSP estimation

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