Home
Flashcards
Preview
Ch 11 Estim
Home
Get App
Take Quiz
Create
Electrical current
flow of charged particles measured in amps
3 types of wave forms
DC
AC
pulse
AC
biphasic
can be unbalanced
can be asymmetrical
used for pain control and muscle contraction
Pulse duration
how long from the beginning of 1st phase of a pulse to the end of last phase of a pulse
in ac two ____ equal a pulse
phases
amplitude
flow rate of charged particles
current
V=
I
R
frequency
number of cycles or pps and measured in hertz
on time
when train of pulses occur
off time
between pulses when no current flows
ramp up
time it takes for current amplitude to increase after 0 to max amplitude
ramp down
time takes to decrease from max amp to 0
effects of electrical currents
AP stimulation
direct muscle depolarization
contras
pacemaker
unstable arrhythmia
over carotids
over thrombosis
pregnancy
precautions
cardiac disease
impaired sensation/mentation
malignancy
skin irritation
open wound
adverse effects
burns
skin irritation
pain
documentation
area treated
patient position
stim parameters
electrode placement
treatment duration
patient response
resting membrane potential is ____
negative
relative refractory perioid
hyperpolarized due to coming down from AP
absolute refractory period
won't get any more positive or a larger reaction
cathode is ____
negative
anode is __
positive
Author
amills1
ID
259177
Card Set
Ch 11 Estim
Description
Ch 11 Estim
Updated
2014-01-30T02:32:41Z
Show Answers
Home
Flashcards
Preview