Myoglobinuria

Etiology / Pathophysiology

• Myoglobin spills into urine after muscle breakdown.
• Myoglobin pigment can damage renal tubules and darken urine.

Medications

No specific medication class was seeded for this card.

Nursing actions

• Report dark cola-colored urine after trauma/seizure/crush.
• Monitor kidney function, potassium, and urine output.
• Support ordered fluid therapy.

Complications

• AKI
• Hyperkalemia

NCLEX cues

• Positive blood on dipstick with few RBCs can suggest myoglobin context.
• Dark urine after muscle injury.

Memory hooks

• Myoglobin in urine means muscle broke down.

Labs / Diagnostics

• Trend assessment findings and ordered diagnostics; verify exact values with school source material.

Review notes

• Session-derived study seed. Verify against school materials, ATI/NCLEX review sources, current orders, and facility policy before relying on details.