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Digitalis toxicity - Symptom

Symptoms:

Visual changes (unusual)
- Halos or rings of light around objects
- Seeing lights or bright spots
- Changes in color perception
- Blind spots in vision
- Blurred vision
Confusion
Loss of appetite
Nausea, vomiting, diarrhea
Palpitations
Irregular pulse

Additional symptoms that may be associated with digitalis toxicity include:

Signs and tests:

The heart rate may be rapid or slow and it may be irregular.
ECG may show any of a variety of arrhythmias.
Serum levels of digoxin or digitoxin may be high or normal (digoxin - test, digitoxin - test).
A blood chemistry test to determines the levels of potassium and magnesium; creatinine and BUN are performed to evaluate kidney functioning.

Reviewed last on: 1/17/2007
Eric Perez, MD, Department of Emergency Medicine, St. Luke's-Roosevelt Hospital Center, New York, NY. Review provided by VeriMed Healthcare Network.