8 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Conditions: • Cauda ... Equina Syndrome ... - Low back pain ... Myotomes #diagnosis #neurology ... #physicalexam
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - Differential ... Diagnosis Workup Algorithm ... • Euvolemic (Low ... , Cushing syndrome ... #nephrology #sodium
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Cauda Equina Syndrome ... Overview Cauda ... symptoms: • Severe low ... #differential # ... diagnosis #causes #neurology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... can be high or low ... Cirrhosis, Nephrotic syndrome ... #Hyponatremia #differential ... #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... alkalosis • Normal/low ... , Gitelman syndrome ... the excretion of sodium ... #nephrology #differential
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Hyponatremia - Differential ... Algorithm Isotonic ... Cirrhosis, Nephrotic Syndrome ... #causes #nephrology ... #sodium #low
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
Overview What ... thiazide-sensitive sodium ... alkalosis • Normal or low ... ratio 0.5%) Differential ... #diagnosis #nephrology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... • Locked-in syndrome ... wrists clenched; legs ... caseyalbin #PhysicalExam ... #neurology #comatose