15 results
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
QRS #widening #ECG ... #EKG #Pharmacology ... #Medications #Toxicology ... #Diagnosis #Differential ... #Drugs #Classes
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
repolarization causes ... L, ventricular fibrillation ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes ... #Progression #Table
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Malignancy (e.g ... CNS pathology (e.g ... Pulmonary pathology (e.g ... (e.g. carbamazepine ... #Table #Causes
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... - Differential Diagnosis ... Myasthenia Gravis Pharmacologic ... Abuse (e.g. ... #Algorithm #causes
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... Arrhythmias: • Atrial fibrillation ... Valvular disease (e.g ... • Serotonergic drugs ... /Afib/WPW) • Loss
Toxic Alcohol Ingestion: Methanol
Solvent found in cleaning and printing solutions, adhesives, stains, paint removers,
antifreeze agent in
gasoline additive Pharmacology ... - Metabolite (eg ... , but does NOT cause ... osmolal gap #Diagnosis ... #Management #Toxicology
Clozapine Toxicology
Clozapine is an atypical antipsychotic most often reserved for use in patients who have treatment-resistant
antipsychotic drugs ... distribution (1.6 – 7 L/kg ... Clozapine is known to cause ... #Toxicity #Diagnosis ... #Pharmacology
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
• Check ECG rhythm ... reminders about drugs ... and defibrillation ... : Vagal tone Drug ... Intraoperative #Checklist #Diagnosis
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
immediately. ❼ Give drugs ... alternate vasopressor (e.g ... as patient is stable ... annotate notes/drug ... Intraoperative #Checklist #Diagnosis
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... listed in the table ... vascular diseases (e.g ... arthritis) and drug-related ... #Diagnosis #Radiology