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    • Home
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  • Home
  • Machines and Knobology
  • Basic TEE Views
  • Advanced TEE Views
  • Doppler/3D TEE
  • Calculations and Websites
  • Hemodynamics and TEE
  • Valve Pathologies and TEE
  • TEE for Watchman
  • TEE for TAVR
  • Rescue TEE
  • Test Your Knowledge
  • Leon's Page

Scenario #1-Car vs Tree with Hypotension

Undifferentiated hypotension

 60 y/o undergoing femoral-tibial orthopedic procedure after ramming into a tree with his car while checking out this website on his phone. History includes previous myocardial infarction with angioplasty. Arterial and central line from unit. Previous S2 murmur with fractured second rib in MVA. Now with  undifferentiated hypotension not responsive to volume or phenylephrine/vasopressin boluses.  

1. What is the TEE view and interpretation?

     A. Midesophageal Four Chamber View; Hypovolemia

     B. Transgastric Short Axis View; Hypovolemia               

    C. Transgastric Short Axis View; LV Dysfunction            

D. Midesophageal Long Axis  View; LV Dysfunction  

Scenario #2-Hypotension/PVC's During Robotic Prostate

Undifferentiated hypotension and ectopy

64 y/o for robotic prostatectomy, previous history includes shortness of breath with moderate exertion with negative stress test two years prior. Central line and arterial line placed due to continued need for volume and vasopressors and ST segment depression. TEE for undifferentiated hypotension and elevated CVP.

2. What is the view and interpretation?

   A. Midesophageal Four Chamber View; Hypovolemia

   B. Transgastric Short Axis View; Hypovolemia               

   C. Transgastric Short Axis View; LV Dysfunction            

D. Midesophageal Long Axis  View; LV Dysfunction   

Scenario #3-Bicycle vs Bus for ex lap

Undiffferentiated hypotension

30 y/o s/p bicycle vs bus undergoing exploratory laparotomy and splenectomy. Arterial and central lines from trauma unit, undifferentiated hypotension despite volume resuscitation and norepinephrine infusion. TEE for undifferentiated hypotension and no response to fluid boluses.

3. What is the TEE view and interpretation?

               A. Midesophageal Four Chamber View; RV Dysfunction             

                B. Transgastric Short Axis View; Hypovolemia                                

                C. Midesophageal Five Chamber View; LV Dysfunction               

D. Midesophageal Four Chamber View; Pericardial Effusion 

Scenario #4-Roofer vs Pavement Orthotrauma

Undifferentiated hypotension in a trauma patient

 72 y/o roofer in normal practice of working on a roof in thunderstorm slipped and fell to pavement. GCS 6, fractured second rib unstable hemodynamically and received arterial and central lines in trauma unit. Unresponsive to volume resuscitation and vasopressors, rising lactate on ABG. Now for TEE. 

4. What is this TEE view and and findings?

                                       A. ME Descending Thoracic Aorta SAX/LAX, aortic dissection

                 B. ME Ascending aorta biplane, aortic dissection 

     C. ME Bicaval biplane, cardiac tamponade

D. TG SAX biplane, cardiac tamponade  

Scenario #5-ST Depression During Lobectomy

ST Segment depression and increased vasopressor requirements in robotic lobectomy

 87 y/o for thoracotomy and right upper lobectomy. Systolic ejection murmur, previous MI on history and physical, inactive due to poor physical condition and prior stroke. Now with ST segment depression and requiring increasing doses of vasopressors now norepinephrine infusion at 10 mcg/minute.  

5. What is this TEE view and and findings?

A. ME Descending Thoracic Aorta SAX and LAX, aortic dissection

B. ME AV SAX, moderate aortic stenosis

C. ME Bicaval biplane, cardiac tamponade

D. TG SAX 3D, aortic dissection

Scenario #6-Hypotension During Open Colectomy

Increasing vasopressors and rising lactate

 80 y/o with stage 4 cancer now for colon resection. Unresponsive to vasopressors and volume resuscitation, now requiring 10 mcg boluses of epinephrine and trendelenberg position. TEE for undifferentiated hypotension and rising lactate.  

6. What is this TEE view and and findings?

A. Midessophagel four chamber view with LV dysfunction

B. Midesophageal commissural view with pericardial effusion

C. Midesophageal four chamber view with pericardial effusion

D. Midesophageal four chamber view with RV dysfunction/dilation

Scenario #7-Hypoxia/Hypotension during Hip Pinning

Trauma patient for orthopedic procedure with sudden onset hypotension and hypoxemia

  54 y/o pedestrian vs. train three days earlier with multiple orthopedic trauma now for hip pinning. After induction experienced hypoxia and hypotension unresponsive to 100% oxygen, ventilator manipulation, vasopressors and fluid. The surgical team would like rescue TEE.

7. What is this TEE view and and findings?

A. Midesophageal commissural view with severe LV failure

B. Transgastric short axis view with severe mitral regurgitation

C. Transgastric basal short axis view with RV failure due to patent foramen ovale

D. Midesophageal four chamber view with RV failure and underfilled LV most likely due to pulmonary embolus

Scenario #8-Post-Procedural Hypoxemia after Watchman

Hypoxia and tachycardia in PACU after Watchman procedure

  77 y/o immediately postop from Watchman procedure with continued hypoxemia and hypotension requiring re-intubation and support. Several rule outs due to procedure such that more than rescue TEE may be involved at bedside in busy PACU such that rescue TEE.

8. What is this TEE view and and findings?

A. Midesophageal commissural view with severe mitral regurgitation

B. Transgastric short axis view with severe mitral regurgitation

C. Midesophageal LAA view with significant atrial septal defect

D. Midesophageal four chamber view with severe TR/pulmonary embolus

Scenario #9-Hypotension/elevated lactate during oral surgery

Oral surgery patient with sepsis and now unstable

 22 y/o from SICU with history of meth abuse and sepsis for full mouth extraction. During the course of the procedure the patient’s vasopressor requirements have increased and vasopressin has been added. With the lactate level climbing you have been called for a TEE to see how best to optimize the patient hemodynamically. 

9. What is this TEE view and and findings?

A. Midesophageal commissural view with severe mitral regurgitation

B. Transgastric short axis view with severe mitral regurgitation

C. Deep transgastric long axis view with severe aortic regurgitation

D. Midesophageal four chamber view with severe TR/pulmonary embolus

Scenario #10-Hypotension and VT During Lap Appy

Instability During a Laparoscopic Procedure

 30 y/o with history of “passing out” and tachyarrhythmias for lap chole. During the procedure the patient has now had two run of VT lasting 7-10 beats each and continued hypotension despite glycopyrollate, multiple boluses of ephedrine, lidocaine and vasopressin. TEE has been requested due to undifferentiated hypotension.  

10. What is this TEE view and and findings?

A. Midesophageal long axis view with HOCM/septal hypertrophy

B. Transgastric short axis view with severe mitral regurgitation

C. Transgastric basal short axis view with atrial septal defect

D. Midesophageal four chamber view with severe mitral regurgitation

Answers and Rationale

Scenario 1

Answer: B. Transgastric view, "kissing paps" suggest hypovolemia is the cause of hypotension based on Ohm's Law (Current=Flow x Resistance) or (BP=CO x SVR). Appropriate intervention is volume to improve cardiac output and blood pressure. 

Scenario 2

Answer: C. "Eyeball EF" suggests EF is less than 30% (actually 15%), such that cardiac output should be improved based on Ohm's Law (Current=Flow x Resistance) or (BP=CO x SVR). Appropriate intervention is beta agonist plus management of dysrhythmias, probably norepinephrine and lidocaine. 

Scenario 3

Answer: D. Nasty  pericardial effusion at least 2.5 cm with "trampoline right atrium". Will require a trip to the operating room as over 1.5 cm instead of pericardiocentesis. Probably an electric bicycle.

Scenario 4

Answer: A. Aortic dissection, hopefully he can get it fixed with a TEVAR but  with fractured second rib I bet he has ascending component. Absolutely LOVE biplane TEE for aorta as well as full volume 3D stuff.

Scenario 5

Answer: A. If you live to the age of 87 you have a 20% chance of getting a pacemaker and a 30% chance of having artic stenosis. It progresses quicky, but now we have TAVR which apparently is even good enough for Mick Jagger of the Rolling Stones. Better get the blood pressure up on that old guy or you will have myocardial ischemia and we all know the efficacy of CPR with AS... 

Scenario 6

Answer: D. Yep the RV is BIG and is like a third atrium, it just dilates when it faces afterload. Better optimize PEEP, decrease your tidal volume, use luxury oxygenation, treat hypotension with vasopressin etc etc etc. 

Scenario 7

Answer: D. Pulmonary embolus, and you should have suspected it if you ever worked trauma as 58% of all long bone fractures have thrombus. Three types of PE and he has the worst, probably won't  survive without CPB/ECMO/lytics. Statistically will go down as a railway fatality.

Scenario 8

Answer: C. So what is "significant" in regards to ASD as all Watchman, Mitraclips and afib ablations come to PACU with one? Anything greater than 10 mm. If it doesn't get better with palliative care will get an Amplatz plug so there goes your lunch relief...

Scenario 9

Answer: C. Severe AI as seen in the DTG LAX view, you can admire it qualitatively, use PHT, switch to ME LAX with M-Mode and CFM  if you want but regardless will need to reduce afterload, maintain  filling and maintain elevated HR ("faster fuller vasodilated").  

Scenario 10

Answer: A. The incidence of HOCM is 1:500, this patient has some nasty turbulence and is going to need classic IHSS/HOCM management. Phenylephrine, slower heart rates and lots of afterload, and a good surgeon with small hands to shave his septum (not too much or he gets a VSD) and clip an anterior mitral chordae.

Basics of Ultrasound and Knobology

Ultrasound Basics and Knobology Assessment

TEE Windows and Anatomy

TEE Windows Assessment

Rescue Echo

Rescue TEE Assessment

Interventional TEE

Interventional TEE Assessment

University of UTAH TEE Quizzes

UU TEE Question Banks

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