47 results
Pivot-Shift Test in ACL-deficient Knee

This patient has pathologic varus alignment across the knee and a chronic
Pivot-Shift Test ... We will be performing ... a high-tibial osteotomy ... HTO) to correct his ... Sports #Ortho #msk
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
Redistribution/ Shift ... malabsorption), Hungry bone ... syndrome • Renal ... #Algorithm #causes ... #nephrology #phosphate
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... with a central cause ... It has been validated ... #Diagnosis #PhysicalExam ... #Neurology #AVS
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential Diagnosis ... Transcellular Shift ... alkalosis, Hungry bone ... • Normal or High ... Workup #phosphate #nephrology
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
T7-T12 See Dermatomes ... Anterior Medial Thigh ... Hip Flexion Cremasteric ... #differential #diagnosis ... #Neurology #Spine
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
- Differential Diagnosis ... Infiltrative disorders, HIV ... metastases, Hungry bone ... syndrome Dr. ... #Algorithm #nephrology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential Diagnosis ... - Aneurysmal bone ... #Effusions #causes ... #msk #physicalexam
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... (CVID, WAS), (neurologic ... psychiatric changes), high ... candidate) - Bone ... However, it may be
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
- Differential Diagnosis ... , Beer Potomania ... Treat with a high ... #Algorithm #causes ... #nephrology
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
BEE Syndromes - ... Non-inflammatory Causes ... pachymeningitis • HIV ... consistent with MS ... #Syndromes #neurology