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A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis

A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis

Published on: December 28, 2012

Lithium overdose with electrocardiogram changes suggesting ischemia.

Joshua Puhr¹, Jason Hack, Jacquelyn Early

¹Department of Emergency Medicine, Brody School of Medicine at East Carolina University, Greenville, North Carolina, USA.

Journal of Medical Toxicology : Official Journal of the American College of Medical Toxicology

|September 30, 2008

Summary

This summary is machine-generated.

Lithium toxicity can cause ST segment elevations mimicking a heart attack. Doctors can rule out myocardial infarction using echocardiograms and cardiac enzymes when a patient has lithium intoxication.

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A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis

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Methods for ECG Evaluation of Indicators of Cardiac Risk, and Susceptibility to Aconitine-induced Arrhythmias in Rats Following Status Epilepticus

Methods for ECG Evaluation of Indicators of Cardiac Risk, and Susceptibility to Aconitine-induced Arrhythmias in Rats Following Status Epilepticus

Published on: April 5, 2011

Area of Science:

Cardiology
Toxicology
Psychiatry

Background:

Lithium is a common treatment for bipolar disorder.
Lithium toxicity can cause various electrocardiogram (ECG) changes.
ST segment elevation myocardial infarction (STEMI)-like ECG changes are not previously reported in lithium toxicity.

Observation:

A patient with lithium toxicity presented with confusion, ataxia, and anorexia.
The patient's ECG showed ST segment elevations in anterior leads with biphasic T waves.
Cardiac enzymes and echocardiogram were normal, ruling out myocardial infarction.

Findings:

Lithium intoxication can manifest as transient ST segment elevations on ECG.
These ECG changes can mimic acute myocardial infarction.
Normal cardiac enzymes and echocardiogram are crucial for differentiating lithium toxicity from actual myocardial infarction.

Implications:

Clinicians should consider lithium toxicity in patients with unexplained ST segment elevations.
Diagnostic tools like echocardiography and cardiac enzyme tests are vital for accurate diagnosis.
Prompt recognition and management of lithium toxicity can prevent misdiagnosis and unnecessary cardiac interventions.