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Learning Objectives
Learn how to perform Renal Ultrasound
Learn how to perform Bladder Ultrasound
Key Points
Renal: evaluate for hydronephrosis
Bladder volume = height x width x length x 0.75
Renal Ultrasound
Transducer: Curvilinear or Phased Array.
[Longitudinal] Point towards patient head at midaxillary line (around 10th / 11th intercostal space)
[Transverse] Rotate 90 degree counterclockwise
Position: patient supine
Tip: for left kidney it lies slightly superior and posterior because of spleen. Tilt probe superior and inferior to assess left kidney.
Longitudinal view
Longitudinal view
Longitudinal view
Transverse view
Transverse view
Example pathologies
[Above] Nephrolithiasis
[Right] Hydronephrosis
Bladder Ultrasound
Calculate bladder volume (above) for an approximate bladder volume to see if retaining.
Malfunctioning Foley (not draining)
Bladder stone (with acoustic shadowing, i.e artifact)
Images / information from: https://www.pocus101.com/efast-ultrasound-exam-made-easy-step-by-step-guide/#eFAST_Ultrasound_Exam_Indications
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