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Plant Toxicology

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by

Andrew Stolbach

on 22 April 2010

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Transcript of Plant Toxicology

Double click anywhere & add an idea Plants
Andrew Stolbach

April 23, 2010 Cardioactive Steroids
Black hellebore
Digitalis
Lily of the valley



Monkshood
Active compound:Aconitine Atropa belladona
"Deadly nightshade" Datura stramonium
"Jimsonweed" Scopolamine Atropine Hellebore
"Christmas Rose" Purple Foxglove Presentation
Bradycardia
Increased automaticity
Hyperkalemia (Cardioactive steroids only!) Treatment

Digoxin-specific antibodies

Bradydysrhythmias
Atropine, pacemaker

Ventricular dysrhythmias
Phenytoin, lidocaine
Amiodarone



Ginkgo Biloba
Antiplatelet? Clinical Features
"Hot as a hare..."
Tachycardic
Pupils: Dilated
Skin: Dry, flushed
Bowel sounds: Decreased
Management
Benzodiazepines

-or-

Physostigmine
1-2 mg IV over 5 minutes

Contraindications
Asthma, Wide QRS Calabar Epinephrine Ephedrine Sympathomimetics Cathinone Catha edulis
"Khat" Strychnos nux vomica
Strychnine
Inhibition of glycine

Dieffenbachia Look like
Full transcript