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Cardio Diagnostic Tests & Labs
Cardio Diagnostic Tests & Labs
30
Nursing
Undergraduate 2
02/06/2012

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Term
Allows study of the electrical activity (conduction system) through the heart.
Definition
What is a Electrocardiogram (EKG)
Term
A portable EKG machine with a memory to provide continuous cardiac monitoring for 24-48 hours.
Definition
What is a Holter Monitor?
Term
wear loss clothing
do normal daily activity
Definition
What should a pt do while wearing a Holter Monitor?
Term
Visualizes and records the size, shape, position, and behavior of the heart's internal structures, esp the valves.
Definition
What is an echocardiogram?
Term
A flexible endoscopic probe with an ultrasound transducer is passed the back fo the throught into the esophagus. Images are taken as the probe moves down into the stomach.
Definition
What is a Transesophgeal Echocardiogram (TEE)?
Term
15-30mins
Definition
How long with a TEE last?
Term
signed consent
Definition
What is required before a TEE is performed?
Term
after gag reflex returns
Definition
When can you give a pt food or fluids after a TEE?
Term
3D images of body structures without radiation.
Definition
What is a MRI?
Term
all metal must be removed
Definition
What should be done before an MRI?
Term
A radioactive material is injected intravenously and the heart is scanned to evaluate function.
Definition
What is a Multiple-gated acquisition scan (MUGA)
Term
NPO 2hours before procedure
signed consent
Definition
What is required before a MUGA?
Term
radioactive precautions
Definition
What post test measures should be taken after a MUGA?
Term
A noninvasive way of assessing the presence and severity of CAD by recording a person's cardiovascular response to exercise.
Definition
What is a stress test?
Term
the pt can no longer continue
the pt maximum heart rate is reached
symptoms intervene
significant changes are detected on a EKG.
Definition
When is a stress test stopped?
Term
220- pt weight
Definition
How do you find out a person's maximum heart rate?
Term
NPO 2 hours before test
signed consent
give beta blockers if prescribed
Definition
What are some pre-test measures for a stress test?
Term
A cath in inserted into a vein or artery and is threaded into the heart chambers, coronary arteries, or both, under fluoroscopy. A dye is injected into cath.
Definition
What is a Cardiac Catheterization?
Term
NPO morning before test
signed consent
give sedative if ordered
tell pt to expect a flush sensation when dye is injected
Definition
What are some pre-test measures for a Cardiac Cath?
Term
Check puncture site
maintain pressure per protocol if vascular seal is not used
monitor VS
monitor peripheral pulse on affected extremity
enforce bed rest as ordered
Definition
what are some post-procedure measures for a cardiac cath?
Term
Assesses the acid-base balance by measuring pH.
Definition
What is an atrial blood gas? (ABG)
Term
creatine phsophokinase (CPK-MB)
Definition
What levels should be elevated up to 24 hours after a MI?
Term
CPK-MB
Definition
Damage to the myocardial wall will elevate what?
Term
q6h
Definition
if CPK-MB is elevated how many times should you check it?
Term
Troponin
Definition
What levels will be elevated in a pt after an MI?
Term
q6h x 3
Definition
If troponin levels are elevated how many times should it be checked?
Term
WBC
RBC
H&H: hematocrit and hemoglobin
Platelet count
Definition
What does a CBC check?
Term
cholesterol
triglycerides
lipoproteins
Definition
A lipid profile measures what?
Term
B-type natriuretic peptide (BNP)
Definition
What is lab is usually elevated in heart failure?
Term
C-reactive Protein (CRP)
Definition
What is a protein elevated in system inflammation?
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