14 results
Pivot-Shift Test in ACL-deficient Knee

This patient has pathologic varus alignment across the knee and a chronic
and a chronic ACL ... be performing a high-tibial ... #Knee #Injury # ... clinical #video #PhysicalExam ... Sports #Ortho #msk
Lachman test in ACL-deficient Knee

This patient has pathologic varus alignment across the knee and a chronic
and a chronic ACL ... be performing a high-tibial ... #Knee #Injury # ... clinical #video #PhysicalExam ... cruciate #ligament #msk
Evaluation of Electrical Injury in the Emergency Department 

Common Injuries by System:

CNS - Seizure, coma, spinal
ED arrival MSK ... dislocations (posterior shoulder ... compartment syndrome ... may be severe and ... Electricity #Evaluation #Diagnosis
Positive Lachman's Test

The Lachman test is a clinical test used to diagnose injury of the anterior
clinical test used to diagnose ... injury of the anterior ... The examiner should ... place one hand ... #PhysicalExam #
Demonstration of the Lachman Test for assess for ACL Injury - Normal Exam

Demonstration by Dan Smith,
Injury - Normal ... clinical test used to diagnose ... The examiner should ... place one hand ... #PhysicalExam #
Lachman Test for ACL Injury

The patient lies supine and with the knee in ~20-30 degrees of
with the knee in ... degrees of flexion, hip ... One hand supports ... the thigh and the ... #msk #orthopedics
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... spared in this injury ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
- Differential Diagnosis ... • Trauma/Crush injury ... - Tumor lysis syndrome ... - Metabolic acidosis ... #nephrology
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Neurologic deficit ... Check hip and ankle ... risk high with ... -->>>> LINK TO ACL ... #msk #clinical
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
- Differential Diagnosis ... • Trauma/Crush injury ... - Tumor lysis syndrome ... - Metabolic acidosis ... #nephrology