12 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
Test for ACL Knee ... Injury Andrew ... #PivotShift #test ... #ACL #Knee #Injury ... cruciate #ligament #msk
Pivot Shift test for Knee Instability

The patient lies supine while the examiner grasps the leg by
Pivot Shift test ... #PivotShift #test ... #ACL #Knee #Injury ... PhysicalExam #Sports #Orthopedics ... #msk
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
patients with hypokalemia ... creatinine) • Cell shift ... : Hypokalemic periodic ... ↑ Aldosterone: Kidney ... urine #potassium #differential
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Rhabdomyolysis - Differential ... • LDH ↑ • Hyperkalemia ... Shift of extracellular ... nephrotoxicity to kidney ... Rhabdomyolysis #Differential
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... • Trauma/Crush injury ... • NSAIDs • ACE ... Intracellular Shift ... #differential #
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... • Trauma/Crush injury ... • NSAIDs • ACE ... Intracellular Shift ... #differential #
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
proximal ulnar shaft ... syndrome, ligamentous injury ... (LCL) • ED Management ... DC with orthopedic ... #Proximal #MSK
Webber Ankle Injury Classification

A: In a Supination-Adduction injury the fibula breaks first, with a fracture below
Webber Ankle Injury ... the talus can shift ... and easy way to differentiate ... They arealmost all ... #Diagnosis #Orthopedics
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
Guide to Acute Kidney ... Injury (AKI) ... What to ask/look ... - Urine Na/K/Cl ... Algorithm #Causes #Differential