8 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
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Lymphoproliferative Disorders - Differential ... lymphatic system (node ... are present • Classic ... Lymphoproliferative #Disorders #Classification ... #pathophysiology
Subjective Tinnitus: Pathogenesis and clinical findings
Subjective Tinnitus - Perceived sound with no acoustic stimulus, heard only
by the patient Note ... #Tinnitus #Causes ... #pathophysiology ... #differential #
Peripheral Edema - Differential Diagnosis Framework for Lower Extremity Edema

Edema occurs when any of the following
Peripheral Edema - Differential ... angioedema Note ... iliac vein which crosses ... Peripheral #Edema #differential ... #PhysicalExam #Pathophysiology
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
supraclavicular node ... ) Classification ... Excisional lymph node ... Immunohistochemical studies (to differentiate ... lymphoma #diagnosis #classification
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... tract, and often causes ... Mucocutaneous lymph node ... ear disease Differential ... #rheumatology #classification
PFAPA Syndrome - Periodic Fever, Aphthous Stomatitis, Pharyngitis, and Adenitis

EPIDEMIOLOGY:
PFAPA is the most common syndrome entailing
fever (FMF) PATHOPHYSIOLOGY ... , the cervical nodes ... DIFFERENTIAL DIAGNOSIS ... The classic presentation ... It causes the absolute