66 results
Normal (Negative) Lachman Test for ACL Injury

Andrew Dold, MD @dr.dold.md

#Lachmans #test #ACL #Knee #Injury #Normal #Negative
Normal (Negative ... ) Lachman Test for ... #Lachmans #test ... #clinical #video ... cruciate #ligament #msk
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
Anemia (AIHA) Pathophysiology ... C3 positive or negative ... mediated - DAT: IgG negative ... Hemolytic #Anemia #Pathophysiology ... #diagnosis #hematology
Mixing Study
 • Clotting tests can be abnormal due to either a clotting factor deficiency, or
Study • Clotting tests ... • Clotting tests ... Study #diagnosis #hematology ... #pathophysiology ... #hematology #laboratory
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
Dupuytren's Contracture (Palmar Fibromatosis) on Physical Exam

#Dupuytrens #Contracture #Palmar #Fibromatosis #clinical #video #physicalexam #msk #hand #orthopedics
Fibromatosis #clinical #video ... #physicalexam #msk ... #orthopedics #rheumatology
Normal Simmonds-Thompson Test (Negative) for Achilles Tendon Rupture

In this normal Simmonds-Thompson test, plantar flexion of the
Simmonds-Thompson Test ... (Negative) for ... #Normal #Negative ... Rupture #Clinical #Video ... #Calf #Sports #msk
Expected DAT Results in Autoimmune Hemolysis
DAT Negative Hemolysis
 • DAT Poly ( - ), IgG (
Hemolysis DAT Negative ... #antiglobulin #test ... Autoimmune #Hemolysis #hematology
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
Direct antiglobulin test ... normal • DAT negative ... Management #Algorithm #hematology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... Pauci-immune mediated (Negative ... diagnosis #algorithm #rheumatology
Medial Approach Knee Intra-articular Corticosteroid Injection 

Landmark 1/3 to 1/2 way from top of patella. Find
Injection #clinical #video ... physicalexam #procedure #msk ... orthopedics #sports #rheumatology