12 results
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Antiarrhythmics ... Classification Class ... depolarization in fast AP cells ... EricsMedicalLectures/ #Antiarrhythmics ... #cardiology #pharmacology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Antiarrhythmics ... ++ influx into cells ... accpcardprn #Antiarrhythmics ... Vaughan #Williams #Pharmacology ... #pathophysiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics ... Pharmacology Summary ... @accpcardprn #Antiarrhythmics ... #Pharmacology # ... #pathophysiology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... Differential #Diagnosis #Algorithm ... #causes #potassium ... #low #pathophysiology
Erythroderma - Diagnostic Algorithm. Pathophysiology: 1) Extensive cutaneous capillary dilation, results in widespread exfoliation of the
Erythroderma - Diagnostic Algorithm ... Pathophysiology: ... Causes: 1) Exfoliative ... Skin-homing T-cells ... Erythroderma #Nikolsky #Algorithm
Hyperkalemia Differential Diagnosis Algorithm
R/O Pseudo-hyperkalemia:
 • Possible Lab error! Alwavs Repeat Blood sample!
 • Leukocytosis, Thrombocytosis:
Differential Diagnosis Algorithm ... Thrombocytosis: cells ... Differential #Diagnosis #Algorithm ... #causes #potassium ... #high #pathophysiology
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Differential Diagnosis Algorithm ... (LP) tumour B cells ... are present • Classic ... Classification #pathophysiology ... #differential #algorithm
Drug-Induced Edema
Drug-induced edema is caused by many drugs & can coincide with or worsen pre-existing peripheral
release from mast cells ... Edema #Medication #Causes ... #Differential #Pharmacology ... #Pathophysiology
IDSA Recommendations for Treating Bartonella Infections in HIV-AIDS
Preferred Therapy
For Bacillary Angiomatosis, Peliosis Hepatis, Bacteremia, and Osteomyelitis:
For Confirmed Bartonella ... count remains <200 cells ... /mm3 #Bartonella ... Treatment #management #opportunistic ... infections #HIVAIDS #pharmacology
IDSA Recommendations for Preventing and Treating Histoplasma Capsulatum Infections in HIV-AIDS
Indications for Initiating Primary Prophylaxis:
 •
CD4 count <150 cells ... histoplasmosis (>10 cases ... CD4 count ≥150 cells ... Treatment #management #opportunistic ... infections #HIVAIDS #pharmacology