18 results
Pivot-Shift Test in ACL-deficient Knee

This patient has pathologic varus alignment across the knee and a chronic
Pivot-Shift Test ... dr.dold.md #Pivot #Shift ... #PivotShift #test ... #ACL #Knee #Injury
Normal (Negative) Pivot-Shift Test for ACL Knee Injury

Andrew Dold, MD @dr.dold.md

#Pivot #Shift #PivotShift #test #ACL #Knee
Negative) Pivot-Shift ... Test for ACL Knee Injury ... dr.dold.md #Pivot #Shift ... #PivotShift #test ... #ACL #Knee #Injury
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
syndrome, Electrical injury ... exhaustion, Heat iniury ... Shift of extracellular ... fluid into injured ... Monitor potassium
Pivot Shift test for Knee Instability

The patient lies supine while the examiner grasps the leg by
Pivot Shift test ... indicating likely ACL Injury ... #PivotShift #test ... #ACL #Knee #Injury ... PhysicalExam #Sports #Orthopedics
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Trauma/Crush injury ... • Recent IV potassium ... Intracellular Shift ... diagnosis #causes #potassium
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
proximal ulnar shaft ... syndrome, ligamentous injury ... DC with orthopedic ... Diagnosis #Management #Orthopedics
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
- Electrical injury ... exhaustion, Heat injury ... Shift of extracellular ... fluid into injured ... Monitor potassium
Reverse Pivot Shift Test on Physical Exam

Dx: Posterolateral corner injury; but beware proximal tib/fib instability 

Kendall
Reverse Pivot Shift ... Posterolateral corner injury ... Posterolateral #corner #injury ... Reverse #Pivot #Shift ... clinical #msk #video #orthopedics
Webber Ankle Injury Classification

A: In a Supination-Adduction injury the fibula breaks first, with a fracture below
Webber Ankle Injury ... Supination-Adduction injury ... the talus can shift ... first, the next injury ... #Diagnosis #Orthopedics
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
• Trauma/Crush injury ... • Recent IV potassium ... Intracellular Shift ... diagnosis #causes #potassium