Med Testing-Guest Lectures

Placement of 3-lead EKG is:

_____ over R and ____ over ____.

____ _____: iatrogenic condition of the heart; P and T waves overlap; very quick

_____: can reset AV node and turns off conduction of heart for a few seconds to normalize.

____ ____: no defined P or T wave; QRS complex equal distances apart (shark teeth)

___ ____: non-equal QRS, no defined P or T's; can be faint, cool/clammy with palpitations

___ ____ ____: abnormal, random QRS complexes among normal complexes. Bad news if trigeminy or bigeminy of these occur. Precursor for ______ _____.

____ ______: wide QRS complexes; may be alive and feel ok, but take BP and get to ER if found. If unconscious, complete CPR and use ____

___ ____: very random electrical signal in heart; no CO and patient is most likely unconscious. AED and CPR must be used.

______: no signal of the heart at all! Check ____ and ____ before you signify death has occurred. Shocking the heart is not possible during this stage.

Heart Block: ____ ____: far apart P's

Heart Blocks: ____ ____: multiple P's before QRS complex (further away)

Heart Blocks: ____ ____: random P's and QRS complexes; no CO-very serious

ST segment elevation indicates: _______

ST segment depression indicates: _______

________: takes over the activity of the SA node; creates _____ spike with no P wave

______: blood viscosity; Normal range: ___ - ____

Elevated troponin indicates heart muscle distress or _____.

_____: used for diabetes testing

Complete Blood Count (CBC):
WBC:_____
RBC: ______
HGB: ______
HCT:_______

BMP: _____ _____ _____
-includes sodium, potassium, chloride, CO2, Urea, Creatinine, Glucose and Calcium

Normal HgA1C: ____-____ %

>____% equals risk for vision loss, nerve damage, heart disease...

____ ____: marker for MI
-total value for markers less than ____ U/L

Negative Troponin levels: ____ - ____
Intermediate Troponin levels: ____ - _____
Positive Troponin levels: _____ - _____

HGB norms for male and female?

____: don't get up
____: don't exercise

Hematocrit for males and females?

____: don't exercise
____: light ex
____: add resistance

Typical goal for blood viscosity (_ _ _) post joint replacement is ___ -____.

Goal for post heart valve transplant: ___ -___

Generally, PT is deferred if _ _ _ is above ___.

NCV (___ ___ ____) use electrical stim up to ____ mA; objective study.

CMAP: ___ ____ ____ ___; combo of all muscular motor APs

_______: invasive procedure and uses needle to penetrate skin to listen to conduction; subjective; does not use electrical stim

____ _____: nerve cell and all the muscle fibers innervated by that nerve cell.

What part of the nerve has the most tensile strength?

______: decrease in chemical in axon, but still alive
_____: axon dies and ____ degeneration occurs

NCS performed at ___ to ____ days can help differentiate between ______ and ______.

If ____ occurs, EMG will become abnormal with ____ ____.

EMG/NCS should not be ordered until __-___ days after onset of symptoms for isolated acute ______ ("Saturday Night Palsy")

____ _____: occurs when there is disconnect between the distal nerve endings and the muscle fibers; seen at rest.

Pathology can come from "sick" nerve (__) or "sick" muscle (___)

EMG/NCS can be good for ruling out diagnosis in nonspecific ____/____ patients.

____ and _____ pain syndrome will not have EMG/NCS abnormalities.

Peak time for eval of radiculopathy is _____ weeks after onset of symptoms.

_____/____ are not contraindicated for NCV