Notes in TEE

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Status	Last Update	Fields
Published	03/27/2023	Do CRNAs Use TEE? Is TEE on the NCE? 2018 survey by AANA → {{c1::20%-25%}} use TEE
Published	03/27/2023	Utility of Perioperative TEE{{c1::Real-time CV pathology and hemodynamic status}}CardiacVascularThoracicOrthopedicLiver transplantUrologicNeurologicIC…
Published	03/27/2023	Indications for TEEGeneral {{c1::Evaluation of cardiac and aortic structure and function in situations where the findings will alter management and T…
Published	03/27/2023	Contraindications to TEE: Absolute{{c1::Perforated viscus}}{{c1::Esophageal stricture}}{{c1::Esophageal tumor}}{{c1::Esophageal perforation, laceratio…
Published	03/27/2023	Contraindications to TEE:Relative{{c1::History of radiation to neck or mediastinum}}{{c1::History of upper GI surgery}}{{c1::Recent upper GI blee…
Published	03/27/2023	Complications of TEE {{c1::Trauma}}{{c1::Lip & tongue injury}}{{c1::Dysphasia or laryngeal discomfort}}{{c1::Dental injury}}{{c1::Pharynx, esophag…
Published	03/27/2023	Types of Transducers{{c1::Linear array}} {{c1::High frequency}}{{c1::Rectangular}}{{c1::Aka vascular}}{{c1::Curvilinear}}{{c1::Wider footprint, Lower …
Published	03/27/2023	Straight Linear Probe: Produce sound waves {{c1::parallel to each other and produce a rectangular image}}. {{c1::Higher frequencies (5–13}} MHz, bette…
Published	03/27/2023	Curvilinear Probes (middle of 3 probes) {{c1::Have a wider footprint}} and {{c1::lower frequency (cone shape)}}For t{{c1::ransabdominal}} imaging, or …
Published	03/27/2023	TEE Doppler Probe US made by {{c1::crystals that exhibit Piezoelectric effect}} Electricity is applied to crystals → {{c1::vibration}} → {{c1::em…
Published	03/27/2023	Ultrasound Transducer Imperceptible vibrations are generated that then cause {{c1::tissue to vibrate}}Particles in tissue compress and spread (rarefac…
Published	03/27/2023	Sound Wave Characteristics {{c2::Period}} – {{c1::Time (seconds) it takes to complete 1 cycle}} {{c2::Frequency}} {{c1::Number of cycles per second}}M…
Published	03/27/2023	Interactions of Ultrasound with Tissue Reflection → {{c1::Produces image}}{{c1::No reflection to transducer}} →  no imageRefraction{{c1::De…
Published	03/27/2023	Summary of interactions of Ultrasound with Tissue: Lower-frequency → {{c1::less attenuated}} → {{c1::greater penetration}} →{{c1::&nbsp…
Published	03/27/2023	Echogenicity Refers to {{c1::a structure’s ability to absorb, scatter, or reflect US waves}}.Needles and bones are {{c1::dense, reflective and “hypere…
Published	03/27/2023	Two-Dimensional (2D) Modification of {{c1::B-mode and mainstay}}Transducer sequentially directs US pulses across a sector of the heartStructures viewe…
Published	03/27/2023	Color-flow Mapping A form of PWD that uses measurements of the velocity and direction of blood flow to superimpose a color pattern onto a section of a…
Published	03/27/2023
Published	03/27/2023	3-D Echo {{c1::Newest technology where an array of transducers are used to reconstructs the heart the heart in 3-d image}}
Published	03/27/2023	Contrast Echo Normally RBC’s {{c1::scatter echo}} so they appear {{c1::black}}When microbubbles are added, the {{c1::air gas interface enhances return…
Published	03/27/2023	TEE Probe Insertion Place {{c1::bite block before securing the ETT tube}}Confirm {{c1::adequate level of muscle relaxation}}{{c1::OG tube placed}} →&n…
Published	03/27/2023	Terminology of Probe Movement Advanced/withdrawn → {{c1::move distally or proximally}} Turning (rotating) anterior aspect of probe (crystals){{c1::Clo…
Published	03/27/2023	SAV vs. LAX SAX: {{c1::Cross-sectional or short axis (SAX) or out of plane views shows the anatomy in the transverse plane. In this view, a vessel wil…
Published	03/27/2023	Common 2-D views: {{c1::Parasternal long axis (LAX)}}{{c1::Parasternal short axis (SAX)}}{{c1::Apical view}} {{c1::Transgastric SAX or LAX}}
Published	03/27/2023	LV Wall Segments {{c2::Basal}} → {{c1::Close to LA}}{{c2::Mid}} → {{c1::Mid-ventricular}}{{c2::Apical}} → {{c1::Apex}}
Published	03/27/2023	LV Views and the Mitral Valve: {{c1::(FYI -you are only expected to be able to identify anterior and posterior leaflets, not leaflet segments)}} &nbsp…
Published	03/27/2023	Comprehensive TEE: {{c1::20 → 28}} Views {{c1::}}
Published	03/27/2023	Basic Perioperative TEE: → {{c1::11 views}} {{c1::}}
Published	03/27/2023	ME 4 Chamber View ({{c1::0°-20°}}) Structures imaged{{c1::4 Chambers (LA, RA, LV, RV)}}{{c1::MVAnterior leaflet (septum)(A2, A1)Posterior leaflet (lat…
Published	03/27/2023	ME 4 Chamber View(0°-20°) Diagnostic issues:{{c1::Chamber size and function}}{{c1::Infero-septal or antero-lateral wall function}}{{c1::TV and MV stru…
Published	03/27/2023	ME 2 Chamber View (80°-100°) Structures imaged {{c1::LA}} {{c1::Left atrial appendage (LAA)}}{{c1::MVAnterior leaflet (A2)Posterior leaflet (P2)::::+…
Published	03/27/2023
Published	03/27/2023	ME Long Axis (LAX) ({{c1::120°-135°}}) Structures Imaged{{c1::LA}}{{c1::LV}}{{c1::Antero-septal wall}}{{c1::Posterior or infero-lateral wall}}{{c1::MV…
Published	03/27/2023	Diagnostic issues of ME Long Axis (LAX) (120°-135°) {{c1::LA size and function}}{{c1::MV anatomy and function}}{{c1::LV antero-septal and posterior or…
Published	03/27/2023	ME AV Short Axis (SAX) (30°- 60°) Structures imaged {{c1::AV Cusps}}{{c1::Noncoronary (by septum)}}{{c1::Left (by LA)}}{{c1::Right (by RA)}}{{c1::LA}}…
Published	03/27/2023	Diagnostic issues in ME AV Short Axis (SAX) (30°- 60°){{c1::Evaluate size, number, appearance and motion of AV cusps}}Measure the {{c1::area of the AV…
Published	03/27/2023	ME Bicaval View (90°-110°) Structures imaged {{c1::LA}}{{c1::RA}}{{c1::Free wall and right atrial appendage (RAA)}}{{c1::Eustachian valve}}{{c1::Intra…
Published	03/27/2023	Diagnostic issues in ME Bicaval View (90°-110°)Assess {{c1::the intra-atrial septum using CFD to detect PFO or ASD}}{{c1::Bubble}} testGuide placement…
Published	03/27/2023	Transgastric (TG) Mid SAX (0°) Structures imaged {{c1::LV: 6 opposing mid segments}}{{c1::Inferior → Anterior}}{{c1::Infero-lateral (AKA posterio…
Published	03/27/2023	Transgastric (TG) Mid SAX (0°)Diagnostic issues LV {{c1::cavity size and wall thickness}}LV {{c1::volume status}}LV {{c1::systolic function}}{{c1::Glo…
Published	03/27/2023
Published	03/27/2023	Continuous-Wave Doppler Uses {{c1::2}} transducers, one to send and one to receive, so the {{c1::high-velocity flow can be read, but depth from the tr…
Published	03/27/2023	Pulse-wave Doppler Measure the {{c1::velocity and direction}} of blood flow using a single transducer to send and receive signalsThe {{c1::depth of a …
Published	03/27/2023	3 TEE Doppler techniques {{c1::Pulse-wave Doppler (PWD)}} {{c1::Continuous-wave Doppler (CWD)}}{{c1::Color-flow Doppler (CFD)}}
Published	03/27/2023	Doppler Shift and TEE Change in frequency of a wave occurs when either the {{c1::source or the detector}} is moving. Think about a siren passing.The r…
Published	03/27/2023	US waves propagate poorly through {{c1::air (OG to empty stomach)}}Overview TEE Imaging ModalitiesB – Mode = {{c1::Brightness}}{{c1::Grayscale de…
Published	03/27/2023
Status	Last Update	Fields