16 results
Pivot-Shift Test in ACL-deficient Knee

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

This patient has pathologic varus alignment across the knee and a chronic
ACL-deficient Knee ... be performing a high-tibial ... #Injury #ACLTear ... #clinical #video ... cruciate #ligament #msk
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... bearing after injury ... injuries - Meniscal injury ... - Giant cell tumor ... #diagnosis #msk
Spinal Cord Injury by Nerve Root Levels
Spinal Root	Sensory	Motor	Reflex
C4	Acromioclavicular Joint	Respiration	None
C5	Radial Antecubital Fossa	Elbow Flexion	Biceps Reflex
C6	Dorsal Thumb	Wrist Extension	Brachioradialis Reflex
C7	Dorsal
Spinal Cord Injury ... Anterior Medial Thigh ... Femoral Condyle Knee ... NerveRoots #Levels #differential ... #diagnosis #Neurology
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
HyperKalemia - Differential ... K+: • Tissue injury ... Rhabdomyolysis • Tumor ... glycosides • High ... blockers - MCW Nephrology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Demyelinating Disease (MS ... Myelitis, Trauma, Tumor ... Phrenic nerve injury ... Weakness #Causes #differential ... #diagnosis #neurology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... phlebotomy High ... • Trauma/Crush injury ... causes #potassium #high ... #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... phlebotomy High ... • Trauma/Crush injury ... causes #potassium #high ... #nephrology
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Neurologic deficit ... Neurologic injuries ... syndrome risk high ... #msk #clinical ... #video #nsfw
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
Excessive insulation, high ... Phaeochromocytoma Neurologic ... Traumatic brain injury ... #Hyperthermia #Differential ... Checklist #Diagnosis #Management