14 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
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
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
- Differential Diagnosis ... side effect (e.g ... side effect (e.g ... Classification #Table ... #Causes
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
Finger glucose • Medication ... Cardioembolic: • ECG ... +/- TEE (high Afib ... v Holter (r/o Afib ... stroke #workup #diagnosis
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
- Differential Diagnosis ... exam • 12-lead ECG ... Valvular disease (e.g ... PALPITATIONS: Medications ... /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
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
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
and Differential Diagnosis ... risk factors (eg ... hypertension (eg ... hypertension (eg ... #indications
Medications Used in the Abortive Treatment of Ongoing Seizure Activity in the Emergency Department

INITIAL THERAPY
 -
Phenytoin - May cause ... Pentobarbital - Titrate to EEG ... Midazolam - Titrate to EEG ... #Neurology #Pharmacology ... #Dosing #Table
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Etiology: • Medications ... heparinized tube) • ECG ... only if no clear cause ... Elimination (see Table ... Terbutaline 7 µg/kg