129 results
Normal (Negative) Lachman Test for ACL Injury

Andrew Dold, MD @dr.dold.md

#Lachmans #test #ACL #Knee #Injury #Normal #Negative
Normal (Negative ... Injury #Normal #Negative ... #PhysicalExam #Sports ... cruciate #ligament #msk
Normal Simmonds-Thompson Test (Negative) for Achilles Tendon Rupture

In this normal Simmonds-Thompson test, plantar flexion of the
Simmonds-Thompson Test (Negative ... #Test #Normal #Negative ... PhysicalExam #Calf #Sports ... #msk #orthopedics
Rotator Cuff Syndrome - SITS
Supraspinatus, Infraspinatus, Teres minor, and Subscapularis.
Causes: Calcific supraspinatus tendinitis 
Signs: painful abduction
#orthopedics #diagnosis ... #sports #MSK #anatomy
Knee Examination
Right Knee - Examination maneuvers include the Lachman (ACL), anterior drawer (ACL), Lateral pivot shift,
#Diagnosis #Sports ... #Drawer #Test #msk
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
C3 positive or negative ... mediated - DAT: IgG negative ... Pathophysiology #diagnosis ... #hematology
Medial Approach Knee Intra-articular Corticosteroid Injection 

Landmark 1/3 to 1/2 way from top of patella. Find
physicalexam #procedure #msk ... #orthopedics #sports ... #rheumatology
Gram Stain - Bacteria Identification Algorithm
Gram Positive:
 • Rods: Oxidase+, Oxidase-, Fastidious, Anaerobic, Curved
 • Cocci:
Anaerobes Gram Negative ... Rods: Branching, Spores ... #microbiology #diagnosis
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
- Differential Diagnosis ... AIHA (7-8%) DAT-negative ... #Differential #Diagnosis ... #Table #hematology
Treatment of Thrombotic Thrombocytopenic Purpura (TTP)
Diagnosis of TTP:
 • Rare and severe, ADAMTS13 deficiency
 • Autoimmune
Purpura (TTP) Diagnosis ... soon as TTP is diagnosed ... PLEX and RTX • Short-term ... management #treatment #rheumatology ... #hematology
Expected DAT Results in Autoimmune Hemolysis
DAT Negative Hemolysis
 • DAT Poly ( - ), IgG (
Hemolysis DAT Negative ... Autoimmune #Hemolysis #hematology ... #diagnosis