9 results
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... and AV node activity ... to prolong AV node ... #Pharmacology #Classification ... #Classes #pathophysiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Vaughan Williams Classification ... to prolong AV node ... to prolong AV node ... #Pharmacology #Classification ... #Classes #pathophysiology
Total Anomalous Pulmonary Venous Return (TAPVR)
 • Introduction
 • Classification
 • Pathophysiology of TAPVR
 • Presentation
Introduction • Classification ... • Pathophysiology ... • Chest XRay: Classic ... “snowman sign
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Equina Syndrome Causes ... lumbar spine Signs ... down both legs) Note ... Syndrome #MSK #pathophysiology ... diagnosis #symptoms #signs
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
lymphatic system (node ... are present • Classic ... Lymphoproliferative #Disorders #Classification ... #pathophysiology
X-Linked Agammaglobulinemia: Pathogenesis and clinical findings
The epidemiology of this disease is 1/340,000 births and roughly double
Signs of immunodeficiency ... to produce all classes ... humoral immunity Signs ... adenoids, +/- lymph nodes ... Agammaglobulinemia #XLinked #pathophysiology
Diabetic Ketoacidosis (DKA) - Pathogenesis and Clinical Findings
 • Note: in DKA, body K+ is lost
Clinical Findings • Note ... anion gap until it closes ... Signs/Symptoms/Complications ... DiabeticKetoacidosis #DKA #pathophysiology
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
countries (11-24 cases ... Americans (18-71 cases ... survival is 93-95% Pathophysiology ... peripheral lymph nodes ... Diagnosis #Management #Signs
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Mucocutaneous lymph node ... purpura: strong sign ... #rheumatology #classification