USG in ICU - Overview of Ultrasound in Critical Care Dr...

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Overview of Ultrasound in Critical Care Dr. Gyanendra Agrawal Senior Resident Deptt. of Pulmonary Medicine
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Need for USG In critically ill patients physical examination is quite limited and inaccurate USG has potential to reinvigorate physical exam n , improving accuracy Imp attributes: portability, lack of radiation, repeatability, absence of consumables, being battery powered Information can be stored for documentation, transmission, consultation Can J Surg 2000;43:207–211 Am J Med Sci 1990; 299:175–178 Crit Care Med 2006; 34:2153–2157
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Whether we should be doing it ??? B i lt d kill h ld b t f th Basic ultrasound skills should be part of the armamentarium of critical care Far from being competitive or conflicting, it is complementary Brief (10 hrs) formal training in handheld ECHO system, i i i bl f li i d TTE i 94% d intensivists able to perform limited TTE in 94% and interpreted correctly in 84%- changed management in 37% of patients ACEP/ SCCM guidelines include USG by intensivists Intensive Care Med (2008) 34:243–249 J Cardiothorac Vasc Anesth 1998; 12:10–15 ACEP Emergency Ultrasound Guidelines, 2001
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What is Ultrasound? Human sensitivity: 20 - 20,000 Hz Ultrasound: >20,000 Hz Diagnostic Ultrasound: 2.5 - 14 MHz Frequency is determined by the sound source only and not by the medium in which the sound is and not by the medium in which the sound is traveling
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