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Digoxin toxicity presenting as encephalopathy
J R Greenaway1, B Abuaisha, M G Bramble
1Department of Medicine, Middlesbrough General Hospital, Cleveland, UK.
Postgraduate Medical Journal
|June 1, 1996
Summary
Digoxin toxicity can cause encephalopathy, a brain dysfunction, even without typical symptoms. These cases highlight the need to consider digoxin poisoning in unexplained encephalopathy.
Area of Science:
- Cardiology
- Neurology
- Clinical Toxicology
Background:
- Digoxin is a cardiac glycoside used for heart failure and arrhythmias.
- Digoxin toxicity can manifest with various symptoms, including gastrointestinal, visual, and cardiac disturbances.
- Encephalopathy, a brain dysfunction, is a less common but serious manifestation of digoxin toxicity.
Observation:
- Two cases of digoxin toxicity presented with encephalopathy.
- Electroencephalography (EEG) supported the diagnosis of encephalopathy.
- Other common signs of digoxin toxicity were absent.
Findings:
- Encephalopathy can be a primary manifestation of digoxin toxicity.
- EEG findings may indicate digoxin-induced brain dysfunction.
- The absence of other symptoms can complicate diagnosis.
Implications:
- Clinicians should consider digoxin toxicity in unexplained encephalopathy.
- EEG may be a valuable tool in diagnosing digoxin-induced neurological effects.
- This presentation broadens the understanding of digoxin toxicity's clinical spectrum.