228 results
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
seen in digitalis toxic­ity ... seen are sinus bradycardia ... characteristic of digitalis toxicity ... changes in digitalis toxicity ... #ECG #Digoxin #Toxicity
Beta-Blocker Overdose/toxicity:

•	Bradycardia & hypotension (most common).
•	Myocardial depression & cardiogenic shock (severe overdoses). 
•	Ventricular dysrhythmias (Common with
Beta-Blocker Overdose/toxicity ... : • Bradycardia ... • Delayed toxicity ... Beta-Blocker #Overdose #toxicity ... #poisoning # Bradycardia
Amiodarone Toxicity and Monitoring

Tremor Ataxia 
Ocular neuritis 
Corneal Microdeposits 
Bradycardia 
Pulmonary fibrosis 
Hepatotoxicity 
Blue-gray skin
Amiodarone Toxicity ... Microdeposits Bradycardia ... #Amiodarone #Toxicity
Beta Blocker Side Effects / Toxicity
Cardiac Side Effects:
 • Sinus bradycardia, AV block, Heart failure exacerbation,
Side Effects / Toxicity ... Effects: • Sinus bradycardia ... #SideEffects #Toxicity
Toxidromes Compared: Anticholinergic, Cholinergic, Opioid, Sympathomimetic, Sedative-Hypnotic

During your physical exam, look for evidence of some of
acute cholinergic toxicity ... missing include bradycardia ... Opioid toxicity ... strongly with bradycardia
Bradycardia - Differential Diagnosis Framework

BRADI Mnemonic
 • BRASH/Hyperkalemia
 • Reduced oxygen/Glucose/Temp
 • ACS
 • Drugs
 •
Bradycardia - Differential ... blocking agents = Bradycardia ... • Bradycardia ... response • Ictal Bradycardia ... • Flecanide toxicity
Gamma hydroxybutyrate (GHB) - Toxicology

Clinical presentation
 - Symptoms of GHB toxicity include: short term anterograde amnesia,
Symptoms of GHB toxicity ... drowsiness, coma, bradycardia ... GHB #Toxicology #Toxicity
Local Anaesthetic Toxicity - Guidelines for Crises in Anaesthesia
Signs of severe toxicity:
 • Sudden alteration in
Local Anaesthetic Toxicity ... Signs of severe toxicity ... collapse: sinus bradycardia ... Local anaesthetic toxicity ... #Anaesthetic #Toxicity
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
Intraoperative Bradycardia ... in Anaesthesia Bradycardia ... pulse OR not sinus bradycardia ... present AND sinus bradycardia ... local anaesthetic toxicity
Clinically Significant Cardiovascular Drug-Drug Interactions With OTC Supplements and Herbal Products
Angiotensin-Converting Enzyme Inhibitors (ACEIs)
 • Night-blooming
hypotension and bradycardia ... hypotension, and bradycardia ... risk of digoxin toxicity ... increasing risk for toxicity