32 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 ... Sports #Ortho #msk
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 ... #PivotShift #test ... #ACL #Knee #Injury ... cruciate #ligament #msk
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
syndrome, Electrical injury ... Shift of extracellular ... fluid into injured ... per day until stable ... Dialysis for severe hyperkalemia
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
• LDH ↑ • Hyperkalemia ... Hypocalcemia/Late - Hypercalcemia ... Shift of extracellular ... per day until stable ... Dialysis for severe hyperkalemia
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 ... #Orthopedics #msk
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Suspicion for Hyperkalemia ... • Trauma/Crush injury ... Drugs Causing Hyperkalemia ... Intracellular Shift
Lelli's Test (Lever Sign) for ACL Injury

A fist is placed under the proximal 3rd of the
Sign) for ACL Injury ... rises from the table ... rise from the table ... Lever #Sign #ACL #Injury ... physicalexam #sports #msk
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... Suspicion for Hyperkalemia ... • Trauma/Crush injury ... Drugs Causing Hyperkalemia ... Intracellular Shift
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Acute spinal cord injury ... Hyporeflexia: • Hypercalcemia ... in spinal cord injury ... differential #diagnosis #table
Emergent Hyperkalemia Treatment Algorithm
ECG changes, weakness, K+ >6.5 Or renal insufficiency with K >5.5 with cellular
Emergent Hyperkalemia ... ongoing rhabo, crush injury ... cardiac membrane Shift ... not quickly) #Hyperkalemia