22 results
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Relative - Normal RBC ... Erythropoietin, O2 Saturation ... Hemoglobin - O2 Saturation ... Abnormal Chest X-Ray ... Algorithm #Causes #Hematology
Pathophysiology of Hemolytic Anemia
 - Defects in RBC internal contents (thalassemia, hemoglobinopathies, and metabolic defects)
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Pathophysiology ... - Defects in RBC ... - Defects in RBC ... environment #Pathophysiology ... Hemolytic #Anemia #hematology
hematopoiesis - leukocyte maturation tree

- Amy Chung, MD, MSc @AmyChung 

#hematopoiesis #leukocytes #maturation #tree #pathophysiology #Hematology
hematopoiesis - leukocyte maturation ... Amy Chung, MD, MSc ... hematopoiesis #leukocytes #maturation ... #tree #pathophysiology ... #Hematology #Progenitor
Coagulation Cascade and Anticoagulant Sites of Action

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

#AntiCoagulation #Cascade #Anticoagulants #Medications #Pharmacology
Amy Chung, MD, MSc ... #Pharmacology #Pathophysiology ... Mechanisms #DOAC #Hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
x (Hct / 45) / Maturation ... Factor The maturation ... transform into a RBC ... anemia, Intrinsic RBC ... Production #Index #hematology
Erythropoiesis (RBC Production and Maturation)

Pluripotent hematopoietic stem cell → Proerythroblast (a.k.a. pronormoblast) → Erythroblast (a.k.a. normoblast)
Erythropoiesis (RBC ... Production and Maturation ... Erythropoiesis #RBC ... #Production #Maturation ... #hematology #pathophysiology
Sickle Cell Disease - Pathophysiology of disease and complications 

Due to the deformed shape, HbS induces
Cell Disease - Pathophysiology ... shape, HbS induces RBC ... This leads to RBC ... SickleCell #Disease #Pathophysiology ... Complications #Hematology
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gouty Arthritis) - MSK ... diagnosed ON THE X-RAY ... - **MSK rads ... Radiology #diagnosis #msk ... #rheumatology
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
on axillary x-ray ... signs #symptoms #msk ... #orthopedics #pathophysiology
Shoulder Impingement Syndrome (SIS): Signs and Symptoms

Repetitive Overhead Activity, Scapular Dyskinesis -> Scapulohumeral mechanics become altered
rotator cuff (RC ... Syndrome + Painful arc ... signs #symptoms #msk ... #pathophysiology