7917 results
Olecranon bursitis in gout on POCUS

Note the hyperechogenicity of the synovial fluid (>20000 cells)

Rheumatology @Rheumatology

#olecranon #bursitis
bursitis in gout on POCUS ... fluid (>20000 cells ... bursitis #gout #clinical ... #ultrasound #pocus
Diverticulitis / Colitis on Abdominal POCUS

The stars represent subcutaneous (hypoechoic, pure adipose) & inflamed (hyperechoic) mesenteric
Colitis on Abdominal POCUS ... of inflammatory cells ... Colitis #Abdominal #POCUS ... #clinical #ultrasound
Spindle Cell Cardiac Sarcoma on Echocardiogram - Apical 4 Chamber View

by Dr. James Nadel @jimmy_nardel

#SpindleCell #Cardiac
Spindle Cell Cardiac ... Echocardiogram #clinical ... echocardiogram #pocus
Cellular and humoral immune responses of the adaptive immune system. Activated T cells accomplish cellular immune
Activated T cells ... responses, and B cells ... antigen activates B cells ... binding to the B-cell ... binding to the T-cell
Humoral Immunity - Pathogenesis and Clinical Findings
Antigens (Ag) are produced from pathogens (bacteria, viruses, fungi, parasites)
Pathogenesis and Clinical ... Ag-presenting cells ... CD4+ helper T cells ... or plasma cells ... ) • Plasma cells
Schistocytes can assume a shape resembling natural or man-made objects such as arrowheads, fish, collar buttons,
point to helmet cells ... are a teardrop cell ... , 2 blister cells ... ), and 2 burr cells ... #Clinical #Path
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
antibodies bind to mast cells ... activation and cell ... with cytotoxic T cells ... natural killer cells ... - Red blood cell
Inflammatory mechanism of asthma. 
Airway epithelial cells exposed to activation stimuli, including allergens, viruses, and irritants,
Airway epithelial cells ... promote dendritic cell ... These T cells then ... induce B-cell class ... induce goblet cell
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
Pathogenesis and clinical ... is entirely T-Cell ... allergen-specific T-Cell ... exposure, because T-Cell ... harmful -> Th Cells
Inflammatory Cascade: Pathogenesis and Clinical Findings
Continued Innate Immunity
 • Phagocytosis: (main mechanism) neutrophils and macrophages engulf
Pathogenesis and Clinical ... Natural Killer Cells ... • Humoral: (B cell ... : (T cell response ... and cytotoxic cell