Notes in POCUS

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Status	Last Update	Fields
Published	10/22/2023	If labs show {{c1::fluid}} overload continuing the treatment based on POCUS is acceptablea {{c2::diuretic}} is a medicine that helps remove fluid from…
Published	10/22/2023	Point-of care ultrasound: a diagnostic or procedural guidance ultrasound that is performed by a clinician during a patient encounter to help guide the…
Published	10/22/2023	POCUS carries specific meaning:A bedside provider using ultrasound to examine organ system(s) in a {{c7::limited}} fashionUsually performed with small…
Published	10/22/2023	{{c10::blind obedience}} to technology: a tendency to believe or over-rely on data provided from technology rather than more traditional methods
Published	10/22/2023	sound is {{c1::mechanical}} energy transmitted by pressure waves in a material medium (requires {{c2::particles}} that are able to move){{c7::transduc…
Published	10/22/2023	{{c6::frequency}} describes the number of events per unit time, or the number of cycles per second- unit for {{c6::frequency}} is …
Published	10/22/2023	POCUS{{c1::Electrical}} energy is converted to {{c2::mechanical}} energy in the form of sound. The sound waves travel through the tissues where some g…
Published	10/22/2023	assumptions of ultrasound machine when generating image:The ultrasound sound beam only travels in a {{c1::straight}} line.The average speed of sound i…
Published	10/22/2023	ultrasound gel used to improve {{c2::contact}} with skin and reduce acoustic {{c1::impedance}}, the resistance a sound wave encounters …
Published	10/22/2023	Knobology of ultrasound- {{c5::freeze/unfreeze}}: pauses image to capture picture - {{c4::gain}}: changes amplitude/brightness of image- {{c3::de…
Published	10/22/2023	POCUS probe choices{{c2::linear}} array: {{c6::superficial}} venous/arterial or {{c7::lung}} scanning- {{c12::rectangular}} elements side by side…
Published	10/22/2023	Probe held {{c1::high}} towards the ultrasound probe tail has minimal controlProbe held {{c1::low}} allows for best contact between the probe and the …
Published	10/22/2023	identify the orientation of the image based on the probe {{c1::marker}} (an indicator on the probe) and the icon on the ultrasound machine--> probe…
Published	10/22/2023	sonography- sono = {{c2::sound}}- graphy = to {{c1::write}}
Published	10/22/2023	{{c5::period}} is the time it takes for one cycle to occur--> inversely related to {{c9::frequency}}{{c10::propagation speed}} describes what speed…
Published	10/22/2023	Two properties influence the propagation speed through tissue, stiffness (elasticity) and density:- {{c3::stiffness}} describes the ability of the obj…
Published	10/22/2023	EchogenicityAs sound travels through the body and bounces off the different structures, the returning {{c1::signal}} is converted to a greyscale dot -…
Published	10/22/2023	numbers 1-3 are examples of solid structures with internal cell composition whereas number 4 is an example of a {{c1::fluid}} filled structure without…
Published	10/22/2023	anechoic (A = absent; echo=greyscale dot)- organs collect {{c1::fluid}} (bladder/gallbladder) and they are seen as {{c2::anechoic}} since there are no…
Published	10/22/2023	{{c6::artifacts}} of ultrasound- weird image patterns that are results of assumptions used by ultrasound technology, can be helpful to ID and dif…
Published	10/22/2023	{{c13::Amplitude}} - strength of the reflector{{c12::Attenuation}} - reduction in power, intensity and amplitude of the sound beam as it travels throu…
Published	10/22/2023	hyperechoic look lighter/whiter than surroundings (bone, bladder wall)fluid filled structures are anechoic (black)
Published	10/22/2023	low frequency probe: low resolution, but increased {{c2::penetration}}→ probe names: {{c4::curvilinear}} = curved, phased array = {{c5::sector }}…
Published	10/22/2023
Published	10/22/2023	e58dc274cd5e4f238dea6a15779af0e5-ao-1
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Published	10/22/2023	e58dc274cd5e4f238dea6a15779af0e5-ao-3
Status	Last Update	Fields