Lab values
Cardiac cath care
ECG Interpretation
Fluids and Dehydration
Electrolyte Imbalnces
100

What is the normal potassium (K⁺) range?

What is 3.5 – 5.0 mEq/L?

100

Post-procedure, what should you check in both legs?

What are distal pulses?

100

What does the P wave represent?

What is atrial depolarization (SA node)?

100

What lab finding indicates dehydration in adults?

What is an elevated urine specific gravity (e.g., 1.034)?

100

What potassium level defines hypokalemia?

What is << 3.5 mEq/L?

200

What is the normal sodium (Na⁺) range?

What is 135 – 145 mEq/L?

200

Why are distal pulses checked post-cardiac cath?

What is to ensure adequate blood flow and perfusion?

200

What rhythm is identified by no P waves and irregular ventricular rate?

What is Atrial fibrillation.

200

Which pediatric lab value is a cardiac risk indicator?

What is Potassium 2.5 mEq/L (hypokalemia)?

200

Which diuretic causes hypokalemia?

What are Loop diuretics (e.g., furosemide)?

300

What is the normal urine specific gravity range?

What is 1.010 – 1.025?

300

Name one serious complication of impaired circulation post-cath.

What is ischemia or limb damage?

300

What initiates atrial depolarization?

What is the SA node?

300

1g of diaper weight equals how many mL of urine?

What is 1 mL urine?

300

What ECG changes occur with hypokalemia?


What are cardiac dysrhythmias and flattened T waves?

400

What is the normal calcium (Ca²⁺) range?

8.5 – 10.5 mg/dL?

400

What symptom might indicate poor leg perfusion post-cath?

What is a cool, pale, or cyanotic extremities?

400

A missing P wave on ECG suggests what rhythm?


What is Atrial fibrillation or junctional rhythm?

400

Which signs indicate fluid volume excess?

What are dyspnea, crackles, 3+ pitting edema, hyponatremia?

400

Which diuretic can cause hyperkalemia?

What are potassium-sparing diuretics (e.g., spironolactone)?

500

A urine specific gravity of 1.034 suggests what?

What is dehydration?

500

Which pulse location is commonly checked for lower extremity perfusion?

What are dorsalis pedis or posterior tibial pulses?

500

Why is ECG monitoring critical in electrolyte imbalances?

What is detect dysrhythmias caused by electrolyte shifts?

500

Which sign in older adults on IV therapy suggests FVE?

What is bounding pulse or periorbital edema?

500

What signs indicate hypocalcemia?

What are Chvostek’s sign, tingling of lips and extremities?