9 results
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... of hypotonic hyponatremia ... or Ineffective (UNa ... diuresis can be high ... Cirrhosis, Nephrotic syndrome
Hyponatremia Differential Diagnosis Algorithm in Cancer
UOsm ≥ 100 mOsm/kg = Urine is inappropriately concentrated for hypotonic
Hyponatremia Differential ... concentrated for hypotonic ... capillary leak syndrome ... following HSCT) - UNa ... chemotherapy, nausea
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... cord infarct • HIV ... • Provocative Tests ... absent anal wink test ... #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
• Locked-in syndrome ... Anisocoria + Coma → high ... asymmetry and hypotonia ... Casey Albin MD @ ... #PhysicalExam #neurology
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Management Summary Causes ... Infection - Viral (HIV ... Hyperuricemia • Hyponatremia ... Myoglobinuria: UA positive ... #treatment #nephrology
Ely's Test for Rectus Femoris Tightness

Patient lies prone on the table. The examiner flexes the leg
leg towards the thigh ... The test is positive ... raises off of the ... A positive test ... Femoris #clinical #video
Ely's Test for Rectus Femoris Tightness

Patient lies prone on the table. The examiner flexes the leg
leg towards the thigh ... The test is positive ... raises off of the ... A positive test ... Femoris #clinical #video
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
Causes of Hyperkalemia ... radiocontrast, hypertonic ... structurally similar, positively ... antiphospholipid syndrome ... Differential #Diagnosis #High
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Neurologic deficit ... nerve injury (25%) TEST ... Check hip and ankle ... risk high with ... msk #clinical #video