25 results
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
Anterior Medial Thigh ... Femoral Condyle Knee ... Ankle Dorsiflexion Knee ... #differential #diagnosis ... #Neurology #Spine
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic ... - Differential Diagnosis ... Diuretics (late) • High ... Renin-secreting tumor ... #Algorithm #nephrology
Primary Orthostatic Tremor

Primary ‘Shaky legs’ syndrome. High frequency oscillograph legs on standing. This video demonstrates closeup
Tremor Primary ... ‘Shaky legs’ syndrome ... closeup look at the foot ... #clinical #video ... #physicalexam #neurology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... • HTN, High Aldosterone ... Renin secreting tumor ... , Primary hyperaldosteronism ... potassium #low #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... - Differential Diagnosis ... Diuretics (late) • High ... Renin-secreting tumor ... #Algorithm #Nephrology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential Diagnosis ... Al, Low R - Primary ... Renin-secreting tumor ... #Differential #Diagnosis ... #Algorithm #nephrology
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... : • Knee - L2 ... • Cauda Equina Syndrome ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential Diagnosis ... , Tumor genesis ... • Normal or High ... PTH: Primary or ... Workup #phosphate #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
- Differential Diagnosis ... Respiratory Alkalosis, Tumor ... Inappropriately High ... • N Vitamin D: Primary ... #Algorithm #nephrology
Primary Orthostatic Tremor

Primary ‘Shaky legs’ syndrome. High frequency oscillograph legs on standing. Note the fluttering of
Tremor Primary ... ‘Shaky legs’ syndrome ... High frequency oscillograph ... #clinical #video ... #physicalexam #neurology