12 results
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
which cause QRS ... - Amantadine Beta ... #EKG #Pharmacology ... #Medications #Toxicology ... #Diagnosis #Differential
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
- Differential Diagnosis ... • Recent IV potassium ... • Beta blockers ... Medications 2. ... #causes #potassium
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
- Differential Diagnosis ... • Recent IV potassium ... • Beta blockers ... Medications 2. ... #causes #potassium
Pheochromocytoma - Diagnosis and Management Summary
10 percent rule = 10% of pheochromocytomas are extra-adrenal, multiple, bilateral,
Pheochromocytoma - Diagnosis ... malignant, pediatric cases ... procedures (eg, ... Starting beta blockers ... • Beta blockers
Bradycardia - Differential Diagnosis 
 • Cardiac disease: Myocardial ischemia / infarction, Myocarditis, Congenital disorders, Cardiomyopathies,
- Differential Diagnosis ... hyperkalemia) • Medications ... . digoxin, beta ... blockers, calcium ... Physiological causes
Intraoperative Cardiac Ischaemia - Guidelines for Crises in Anaesthesia

If the patient is unconscious, signs of cardiac
Guidelines for Crises ... flattening or inversion ... abnormalities particularly potassium ... Intraoperative #Checklist #Diagnosis ... #Management #Workup
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Etiology: • Medications ... ARBs, NSAIDs, β-blockers ... only if no clear cause ... STOP offending medications ... #potassium #nephrology
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
- Differential Diagnosis ... source of energy, conversion ... laboratory or diagnostic ... - HIV/HAART medications ... - Beta agonists
Causes of Hyperkalemia - Differential Diagnosis Framework
 • Cellular Shift:
   - Exercise
Causes of Hyperkalemia ... - Differential Diagnosis ... hyperosmolality - Medications ... : beta blockers, ... #Causes #potassium
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
Consider known drug causes ... (eg. remifentanil ... toxicity (→ 3-10); beta-blocker ... Intraoperative #Checklist #Diagnosis ... #Management #Workup