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Digoxin Toxicity — NCLEX Cheat Sheet

Dig level > 2.0 ng/mL

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👤 By the CinnaRN Clinical Content Team 🕐 Updated 2026-07-11 🏷️ Pharmacological Therapies 🔖 Free to read, print, and share

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Use this quick-reference guide to spot, treat, and prevent Digoxin Toxicity on the NCLEX. Keep it handy during review and on exam day!

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Signs

What to look for

Anorexia, N/V early signs
Yellow-green halos vision
Bradycardia, arrhythmias

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Hold

Key facts

Apical HR < 60 → hold dose
Count apical pulse full 1 min

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Risk

Key facts

↓ K+ ↑ toxicity risk
Hypomagnesemia, hypercalcemia
Renal impairment → drug builds

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Meds

Key numbers

Digoxin immune Fab = antidote
Therapeutic 0.5–2.0 ng/mL

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Quick Tip

Early signs: anorexia, nausea, vomiting, and fatigue.

📖 Related Topics

Heparin Therapy Warfarin Therapy Acetaminophen Poisoning in Children Serotonin Syndrome

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