32 results
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
Allergic reaction ... Particular CD4+ Th cells ... harmful -> Th Cells ... macrophages, mast cells ... #Immunology #pathophysiology
Type I Hypersensitivity: Pathogenesis and clinical findings
Definition: Production of lgE Antibodies that bind to harmless allergens
leading to an allergic ... plasma cells that ... complexes bind to mast cells ... • Inflammatory cells ... #Immunology #pathophysiology
Hyperkalemia Differential Diagnosis Algorithm
R/O Pseudo-hyperkalemia:
 • Possible Lab error! Alwavs Repeat Blood sample!
 • Leukocytosis, Thrombocytosis:
Algorithm R/O ... TTKG should be high ... #Algorithm #causes ... #potassium #high ... #pathophysiology
Type II Hypersensitivity: Pathogenesis and clinical findings
Definition: When antigens bind to the body's cell surfaces, forming
surfaces of body cells ... body cell -> B-Cells ... foreign -> B-cells ... HypersensitivityReaction #Allergy ... #Immunology #pathophysiology
Anaphylaxis: Signs and Symptoms
Anaphylaxis: when any egg of three conditions is met:
1. Acute onset of skin/mucosal
exposure to a likely allergen ... exposure to known allergen ... #Anaphylaxis #pathophysiology ... #immunology #diagnosis
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
Soluble antigen - Allergen-specific ... When the specific allergen ... natural killer cells ... Classification #Pathophysiology ... #Allergy #Diagnosis
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic ... Algorithm Pathophysiology ... High-risk Features ... Immunocompromised #Diagnosis ... Color #Targetoid #Algorithm
Causes of Hypokalemia - Differential Diagnosis Algorithm
Increased Loss 
 - Increased GI Loss
 - Increased Urinary
- Differential Diagnosis ... Algorithm Increased ... #Differential #Diagnosis ... #Algorithm #causes ... potassium #low #pathophysiology
Anaphylaxis: Treatments (Acute)
Additional Info:
 • IV steroids may be considered for prevention of late phase reactions.
provided, as well as allergy ... anterolateral thigh ... Treatments #Management #pathophysiology ... #immunology
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
- Differential Diagnosis ... Algorithm Hodgkin ... age range • High ... Leukemias, very high ... Classification #pathophysiology