68 results
Stress Fracture: Pathogenesis and clinical findings
Abnormal biomechanics, Repetitive impact activities
=> Repetitive subthreshold mechanical loading
=> Bone strain
=>
subthreshold mechanical loading ... from continued loading ... StressFractures #msk ... #orthopedics #pathophysiology
Oxygen-Hemoglobin Dissociation Curve

Left Shift (↓ O2 unloading to tissue), Left = Lower:
 • ↓ H+ (↑
Left Shift (↓ O2 unloading ... Right Shift (↑O2 unloading ... Dissociation #Curve #pathophysiology
Oxyhemoglobin Dissociation Curve 

Left Shift - decreased unloading of O2 at tissue level (i.e.  increased
Shift - decreased unloading ... Shift - increased unloading ... Dissociation #Curve #Pathophysiology ... #Right #Shift #Differential
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
Shoulder Pain - Differential ... Diagnosis Algorithm 4 tests ... after cross-arm test ... Shoulder #Pain #Differential ... Diagnosis #Algorithm #MSK
Low Ankle Sprain: Pathomechanics and Clinical Findings

Grading Ligament Sprains
l: Minimal ligament disruption, mild swelling & tenderness,
Clinical Findings Grading ... ligament substance leading ... LowAnkleSprain #Sports #MSK ... #orthopedics #Grading ... Grades #Diagnosis #pathophysiology
Disc Herniations - Pathogenesis and Complications
• 90% of Lumbar disc herniations happen at L4/5 and L5/S1
•
-> Mechanical loading ... complications #msk ... #pathophysiology
Non-cirrhotic Hyperammonemia - Differential Diagnosis Framework

Hematologic & Vascular:
 • Multiple myeloma & Acute leukemia (plasma cells
Hyperammonemia - Differential ... bleeding (↑ nitrogen loading ... Hyperammonemia #ammonia #Differential ... #Diagnosis #Pathophysiology
Thessaly Test for Knee Meniscal Tear

The test is positive if there is medial or lateral joint
Thessaly Test for ... Meniscal Tear The test ... joint line pain, locking ... #Thessaly #Test ... #physicalexam #msk
Coagulation Protein Tests (PT and PTT)

#Coagulation #Tests #PTT #algorithm #differential #pathophysiology
Coagulation Protein Tests ... #Coagulation #Tests ... PTT #algorithm #differential ... #pathophysiology
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... Renal ultrasound, Tests ... Oral sodium loading ... test (with 24-h ... #Hypertension #Differential