18 results
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
blockers which cause ... QRS #widening #ECG ... #EKG #Pharmacology ... #Medications #Toxicology ... #Diagnosis #Differential
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
- Differential Diagnosis ... by Classification ... side effect (e.g ... side effect (e.g ... #Table #Causes
Common Medications Known to Prolong QTc
Antiarrhythmics - Amiodarone, sotalol, flecainide, quinidine, dronedarone, dofetilide
Vasopressors/inotropes - Epinephrine, norepinephrine,
Common Medications ... Known to Prolong QTc ... #Causes #differential ... #diagnosis #pharmacology ... #table
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
repolarization causes ... prolonged PR and QT ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes ... #Progression #Table
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Infiltrative disorders (e.g ... in kidneys) - Medications ... (e.g. lithium, ... renal diseases (e.g ... #Table #Causes
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
DILI) - Stepwise Diagnosis ... of information (e.g ... duration), Several medications ... for alternative causes ... vascular disorder (e.g
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
in Anaesthesia ... alternate vasopressor (e.g ... as patient is stable ... Anesthesiology #Anesthesia ... Intraoperative #Checklist #Diagnosis
Hydroxychloroquine is an antimalarial & DMARD (disease modifying antirheumatic drug). It is currently being discussed as
side effects (e.g ... It also can cause ... prolonging drugs (e.g ... who require this medication ... Hydroxychloroquine #HCQ #Pharmacology
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
Guidelines for Crises ... Consider known drug causes ... (eg. remifentanil ... , digoxin etc) ... Intraoperative #Checklist #Diagnosis
Muscarinic Receptor Agonists and Antagonists 
Muscarinic Receptor Agonists
Methacholine
 • Diagnosis of bronchial airway
Carbachol
 • Glaucorna (topical
Methacholine • Diagnosis ... symptomatic bradycardia (e.g ... #Antagonists #Medications ... #Pharmacology # ... Table