511 results
Causes of Arterial and Venous Thrombosis - Differential Diagnosis Framework

STRUCTURAL:
 - PFO: paradoxical emboli
 - Popliteal
intravascular coagulation (DIC ... APLS:PLT ↓ HEMATOLOGIC ... MAHA: TTP, HUS, DIC ... Diagnosis #clots #hematology
Prothrombin Time (PT) and Partial Thromboplastin Time (PTT)

Prothrombin Time (PT) - Often Elevated in:
 • Vitamin
elevated in: • DIC ... • Underfilled test ... Thromboplastin #laboratory #hematology
Mixing Study
 • Clotting tests can be abnormal due to either a clotting factor deficiency, or
Study • Clotting tests ... • Clotting tests ... order for the test ... Study #diagnosis #hematology ... pathophysiology #hematology
Knee Examination
Right Knee - Examination maneuvers include the Lachman (ACL), anterior drawer (ACL), Lateral pivot shift,
meniscal integrity) tests ... McMurray #Drawer #Test ... #msk
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
Diagnosis Algorithm 4 tests ... after cross-arm test ... Diagnosis #Algorithm #MSK
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
marrow disease - DIC ... Coagulation Defects: • DIC ... Purpura Fulminans (DIC ... Differential #Diagnosis #hematology ... #rheumatology #
Clarke's Test (Patellar Grind Test)

Indicates Patellofemoral dysfunction.
 - Patient with knee in extension. Push posterior on
Clarke's Test (Patellar ... Grind Test) ... of patella then ask ... _ #Clarkes #Test ... Patellofemoral #msk
Anterior Cruciate Ligament Injury seen with positive Anterior Drawer Test

#Anterior #Cruciate #Ligament #ACL #Injury #Drawer #Test
Anterior Drawer Test ... Injury #Drawer #Test ... clinical #video #msk
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
MAHA: TTP, HUS, DIC ... Laboratory Tests ... Differential #Diagnosis #hematology
Lumbar spine reporting - Nomenclature
Bulge (>25% disc circumference)
  - Symmetric (Circumferential) 
  - Asymmetric
Nomenclature Bulge (>25% disc ... Herniation (<25% disc ... Spine #Reporting #Disc ... Radiology #Diagnosis #MSK