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Friday
Feb032017

Ultrasound for Critical Care Physicians: Unchain My Heart

William Mansfield, MD

Michel Boivin, MD

 

Division of Pulmonary, Critical Care and Sleep Medicine

Department of Medicine,

University of New Mexico School of Medicine

Albuquerque, NM USA

 

A 46-year-old man presented after a motor vehicle collision. He suffered abdominal injuries (liver laceration, avulsed gall bladder) which were successfully managed non-operatively. The patient remained intubated on mechanical ventilation and remained hypotensive after the injuries resolved. The patient required norepinephrine at low doses to maintain a normal blood pressure. It was noted the patient had a history of remote tricuspid valve replacement. A bedside echocardiogram was then performed to determine the etiology of the patient’s persistent hypotension after hypovolemia had been excluded.

Video 1. Apical four chamber view centered on the right heart.

 

Video 2. Apical four chamber view centered on the right heart, with color Doppler over the right atrium and ventricle.

 

Video 3. Right ventricular inflow view.

 

Figure 1. Continuous-wave Doppler tracing through the tricuspid valve.

 

What tricuspid pathology do the following videos and images demonstrate? (Click on the correct answer to proceed an explanation and discussion)

  1. Mobile vegetation
  2. Tricuspid Regurgitation
  3. Tricuspid Stenosis
  4. All of the above

Cite as: Mansfield W, Boivin M. Ultrasound for critical care physicians: unchain my heart. Southwest J Pulm Crit Care. 2017;14(2):60-4. doi: http://doi.org/10.13175/swjpcc013-17 PDF

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