Summary
Definition
History and exam
Key diagnostic factors
- presence of risk factors
- tachycardia
- hypertension
- hypotension
- miosis
- mydriasis
- bradycardia
- altered mental state
- hallucinations
- seizures
Other diagnostic factors
- nausea
- vomiting
- abdominal pain
- diarrhoea
- dyspnea
- skin flushing
- dermatitis
- dermatological/mucosal irritation
- visible bleeding: epistaxis, melaena, haematuria, haematemesis, haemoptysis
- headache
- chest pain
- muscle pain/swelling
- skin pallor
- easy bruising
- petechial spotting
- jaundice
- asterixis
- ascites
- palmar erythema
- spider angiomata
- diaphoresis
- dry skin
- fever
- urinary retention
- constipation
- hyperventilation
- fasciculations
- neuromuscular weakness
- altered sensation
Risk factors
- foraging for wild plants to eat
- brewing wild plants into tea
- children found or suspected of ingesting plants
Diagnostic investigations
1st investigations to order
- ECG
- FBC
- serum electrolytes
- serum creatinine
- serum lactate
- serum urea/creatinine
- liver function tests
- INR
- ABG
- chest x-ray
Investigations to consider
- troponin
- serum digoxin levels
- response to physostigmine
Treatment algorithm
all patients
Contributors
Authors
Susan Smolinske, PharmD, DABAT, FAACT
Clinical Consultant
New Mexico Poison and Drug Information Center
Adjunct Professor
Pharmacy Practice and Administrative Sciences
University of New Mexico
Albuquerque
NM
Disclosures
SS is a member of the ToxED advisory board and consults with webPOISONCONTROL.
Cynthia K. Aaron, MD
Medical Director
Program Director Medical Toxicology
Regional Poison Center at Children's Hospital of Michigan
Professor of Emergency Medicine and Pediatrics
Wayne State University School of Medicine
Detroit
MI
Disclosures
CKA owns personal stock in Merck. CKA was on the State of Michigan Public Health Advisory Council for 3 years, and consults with RubiconMD.
Acknowledgements
Dr Susan Smolinske and Dr Cynthia K. Aaron would like to gratefully acknowledge Dr Gerald F. O'Malley and Dr Rika N. O'Malley, previous contributors to this topic. GFOM and RNOM declare that they have no competing interests.
Disclosures
GFOM and RNOM declare that they have no competing interests.
Peer reviewers
Jessamine Soderstrom, MD, MBBS, FACEM
Clinical Toxicologist
Emergency Consultant
Emergency Department
Royal Perth Hospital
Perth
Australia
Disclosures
JS declares that she has no competing interests.
Scott Phillips, MD
Clinical Faculty
Department of Toxicology
Rocky Mountain Poison & Drug Center
Denver
CO
Disclosures
SP declares that he has no competing interests.
Judith Alsop, PharmD, DABAT
Poison Center Director
California Poison Control System, Sacramento Division
University of California Davis Medical Center
Sacramento
Associate Clinical Professor of Pharmacy
University of California San Francisco School of Pharmacy
San Francisco
Clinical Professor of Medicine
Volunteer Clinical Faculty
University of California Davis School of Medicine
Sacramento
CA
Disclosures
JA declares that she has no competing interests.
Differentials
- Viral gastroenteritis
- Bacterial gastroenteritis
- Acute myocardial infarction
More Differentials
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