57 results
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Vaughan Williams Classification ... Class I (Ia, Ib ... • Widens QRS complex ... VaughanWilliams #Classification ... #Classes #cardiology
Shock Classification Types - Pathophysiology Comparison

Obstructive Shock:
 • Obstructive shock is characterized by a blockage in
Shock Classification ... Types - Pathophysiology ... in blood flow caused ... Depends on the cause ... #Shock #Types #Pathophysiology
Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations

 • Immune Complex Deposition
    - Arthralgia, Arthritis
Manifestations • Immune Complex ... Myopathy (Also caused ... Complications #pathophysiology ... #signs #symptoms
Tree in Bud Sign
The Tree-in-Bud sign represents Endobronchial spread in a linear branching pattern and centrilobular
Tree in Bud Sign ... The Tree-in-Bud sign ... actually seen in all causes ... pneumonia, congenital causes ... radiology #ChestCT #pathophysiology
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... a crescent or complete ... • Infectious Causes ... Non-Infectious Causes ... Reverse #Halo #Sign
Causes of B12 deficiency. 

This great diagram shows normal absorption and outlines most possible causes. At
Causes of B12 deficiency ... most possible causes ... The IF-Cbl complex ... #Differential #Causes ... #Diagnosis #Pathophysiology
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
extrapulmonary cases ... Clinical Signs ... years - May have signs ... decreased reflexes Pathophysiology ... Mycobacterium tuberculosis complex
Alzheimer’s Disease: Pathogenesis and Clinical Findings
Risk factor for Late Onset Alzheimer's (99% of cases):
 - Increasing
Alzheimer's (99% of cases ... Alzheimer's (1% of cases ... chromosome 21) Signs ... AlzheimersDisease #Dementia #pathophysiology ... geriatrics #diagnosis #signs
Total Anomalous Pulmonary Venous Return (TAPVR)
 • Introduction
 • Classification
 • Pathophysiology of TAPVR
 • Presentation
Introduction • Classification ... • Pathophysiology ... • Chest XRay: Classic ... “snowman sign
Polyarteritis Nodosa (PAN): Pathogenesis and Clinical Findings

Medical Comorbidities Malignancies (most commonly hairy-cell leukemia)
Immunogenetic Predisposition: patient is
antigen-antibody complexes ... Viral replication causes ... PolyarteritisNodosa #Pathophysiology ... #Diagnosis #Signs