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TEE

ANP1 Exam 3

QuestionAnswer
how does TEE work 1. sound waves penetrate tissue to creat 2-3 dimensional images 2. doppler echo uses US scatter from blood cells to measure velocity/direction of blood flow
when is TEE probe inserted after pt anesthetized, ETT secured, OG inserted for decompression of stomach contents
how is TEE inserted 1. mandible displaced anteriorly 2. probe placed into midline post. pharynx 3. inserted into esophagus 4. laryngoscope may be used to displace mandible and beter visualize esoph. opening
when does heart come into view probe is in thoracic esophagus ~ 30 cm
TEE pt hx contraindications 1. dysphagia 2. odynophagia (painful swallowing) 3. mediastinal radation 4. recent upper GI surg or bleeding
TEE esophageal pathology contraindications 1. stricture 2. tumor 3. diverticulum 4. varices 5. esophagitis 6. recent chest trauma
TEE complications 1. dental/oral trauma 2. laryngeal dysfx leading to post op aspiration 3. ETT displacement (R mainstem) 4. upper GI bleeding 5. pharyngeal/esophageal perf (rare)
TEE assessment 1. **regional wall motion abnormalities - most sensitive indicator for cardiac event 2. SV (EF) 3. valve fx 4. intracardiac air 5. effects of AA/surg on cardiac fx 6. adequacy of IV volume 7. eschemic episode 4x more than ECG
ASA TEE categories Category 1 - strongest evidence TEE is helpful 1. *valve repair 2. *congenital heart defects 3. hypertrophic obstructive CM 4. aortic dissection 5. *infective endocarditis 6. unstable, life threatening hemodynamics
Created by: girlnamedsharon