5 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity Dermatomes ... Equina Syndrome - Low ... saddle (perineal) anesthesia ... #Myotomes #diagnosis ... #neurology #sensory
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup ... • Euvolemic (Low ... #Diagnosis #Workup ... #Algorithm #nephrology ... #sodium
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
can be high or low ... failure, Cirrhosis, Nephrotic ... #Hyponatremia #differential ... #diagnosis #table ... #sodium #nephrology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
symptoms: • Severe low ... Diagnosis: • ... region (S2-S4 dermatomes ... #diagnosis #causes ... #neurology
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Hyponatremia - Differential ... Liver Cirrhosis, Nephrotic ... #Algorithm #diagnosis ... #causes #nephrology ... #sodium #low