Diagnostic Procedures
Regular Lab Values
Abnormal Values
Correct Timing
Nursing Considerations
100

This imaging test uses sound waves to visualize organs like the heart, liver, and gallbladder.

What is Ultrasound 

100

The normal potassium range.

What is 3.5–5.0 mEq/L ? 

100

This ECG finding indicates a life-threatening ventricular rhythm.

What is Ventricular-Tachycardia
100

After a Cardiac Cath how long must the patient stay flat? 

What is 4-6 hours

100

Before giving contast the nurse must assess this lab. 

What is Creatinine (kidney function) 

200

This procedure uses a scope inserted into the stomach and duodenum to check for ulcers or bleeding.

What is Endoscopy EGD 

200

A normal troponin level 

 What is < 0.1 

200

Cloudy CSF from a lumbar puncture suggests this.

What is meningitis

200

Pt must avoid caffeine how long before a stress test? 

What is 24hrs ? 

200

Patients with a barium swallow must be monitored for this complication.

What is Constipation or bowel obstruction  

300

This procedure injects contrast dye into the coronary arteries to look for blockages.

What is Cardiac Cath 

300

This is the normal fasting blood glucose range.

What is 70-100 mg/dl ?

300

An elevated BNP indicates this cardiac condition.

What is Heart Failure

300

Patients must be NPO for this many hours before an abdominal ultrasound.

What is 6-8 hours? 

300

For a patient on warfarin, the nurse monitors this lab value to adjust dosage.

What is INR 

400

This test creates detailed cross-sectional images using X-rays and a computer.

What is a CT Scan 

400

Normal WBC range.

What is 5000-10000

400

This stool color suggests an upper GI bleed.

What is black tarry stools (melena) 

400

Fasting duration before a lipid panel.

What is 12 hours? 

400

Before giving furosemide, the nurse should check this electrolyte

What is Potassium? 

500

What medication can you not give before someone gets contrast. 

Metformin 

500

Normal Level of ALT and AST 

ALT 7-56 AST 5-40 

500
What is an abnormal finding from a stress test 

Low Ejection Fraction 

500

Trough levels for antibiotics are drawn at this time.

What is right before next dose ? 

500

During an MRI, the nurse must confirm the patient does NOT have this device.

What is metal implant/pacemaker 

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