1
name some procedures that would warrant a signed informed consent.
Name some that would not.
would- anything invasive, bx, cyst drainages, if you poke through the ksin
would not- regular ultrasound, implied consent can be taken by pt following instructions to lay down, etc
False
the study of sound.
Maximum variation of an acoustic variable
Amplitude
length of one complete cycle defines
wavelength
constant visual imaging of anatomy as if one were watching a movie
realtime
Johann Doppler found the piezoelectric effect
false: Currie Brothers
define negligence
occurs when someone has a duty to provide reasonable care and fails to do so regardless of intentions
What is intensity
concentration of energy in a sound beam (bigness parameter)
Fill this out when a patient falls while in your care
incident report
Maternal Blood
Duty is established when there is a patient-sonographer relationship
True
blood clot/thrombus in a deep vessel
DVT
Rate a sound wave travels in one second
propagation speed
name some advanced directives
living will
durable power of attorney
healthcare adv directive
DNR
Describe M mode
captures the movement of structures along a single scan line
true or false: The three acoustic VARIABLES are period, power, intensity
FALSE:
pressure, density, distance
pulsed wave Doppler
Doppler signals from a user-specified depth
Infrasound=
Audible sound=
Ultrasound=
Infrasound= below 20 Hz
Audible sound= 20 Hz- 20 kHz
Ultrasound= above 20 kHz
has administrative legal powers over healthcare facilities
OSHA
What is the prep for a pelvic US (Tranabd) and WHY?
fill urinary bladder to create an acoustic window
define: standard of care
care a reasonable person would give
What type of waves are sound waves?
mechanical longitudinal
What is the relationship between period and frequency?
inverse
reciprocals.