54 results
Coagulation Cascade and Anticoagulant Sites of Action

- Amy Chung, MD, MSc https://twitter.com/AmyChung

#AntiCoagulation #Cascade #Anticoagulants #Medications #Pharmacology
#Medications #Pharmacology ... #Pathophysiology ... Mechanisms #DOAC #Hematology
Role of Uric Acid in the Inflammation of Gout

Allopurinol, Febuxostat - Xanthine oxidase
Colchicine - Release of
gout #uricacid #pathophysiology ... #pharmacology # ... rheumatology
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology ... Cytokines, Mast Cells ... perivascular inflammatory cells ... Vasculitis #HUV #Pathophysiology ... #Rheumatology
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Causes of Neutrophilia ... pancytopenia, blast cells ... Diagnosis #Algorithm #Causes ... #Hematology
Erythroderma - Diagnostic Algorithm. Pathophysiology: 1) Extensive cutaneous capillary dilation, results in widespread exfoliation of the
Pathophysiology: ... germinative skin cells ... Causes: 1) Exfoliative ... Skin-homing T-cells ... #Diagnosis #Dermatology
Tranexamic Acid - Indications and Pharmacology
Pharmacokinetics:
 • MOA: Inhibits plasminogen activation to plasmin & inhibits fibrinolysis
Indications and Pharmacology ... : Urine Common Uses ... rapid injection; Nausea ... #Indications #Pharmacology ... #hematology
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... RBCs - Sickle Cells ... , Target Cells ... Diagnosis #Algorithm #Causes ... #Hematology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Reed-Sternberg Cells ... Diagnosis #Algorithm #Causes ... #Hematology #Oncology
Hydroxychloroquine Serum Measurement in SLE
 • Terminal elimination half-life = 40 days ([HCQI reflects long-term intake)
suspected) • In case ... • Special cases ... Measurement #SLE #rheumatology ... #pharmacology #
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophilia, 500-1,500 cells ... Hypereosinophilia, >1,500 cells ... for secondary causes ... eosinophilia (common causes ... Differential #diagnosis #hematology