27 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... Uric Acid - Low ... Acid → renal salt wasting ... #Algorithm #nephrology
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Algorithm Clinical ... , hypotension, hyponatremia ... , hypoglycemia Testing ... ACTH) stimulation test ... insufficiency • Low
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Algorithm Hypertonic ... Cerebral salt wasting ... Primary polydipsia, Low ... #Algorithm #diagnosis ... #sodium #nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Based Approach to Hyponatremia ... Cerebral salt wasting ... Hypothyroidism, Low ... #algorithm #diagnosis ... #sodium #low #nephrology
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 ... Cerebral Salt Wasting ... #differential #diagnosis ... table #sodium #nephrology
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
Tuberculosis Testing ... TB • LTBI is diagnosed ... result with no clinical ... decrease the risk for reactivation ... QFT) • 5 y/o + low
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
: Overwhelming clinical ... excessive macrophage activation ... testing for HLH-associated ... Splenomegaly • Low ... • Bicytopenia Treatment
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
• Hepatitis B serology ... chest wall, and low ... (to support a diagnosis ... ANA and RF (if clinical ... laboratory #workup #diagnosis
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
- Differential Diagnosis ... Dermatomyositis Clinical ... Hyperuricemia • Hyponatremia ... #Differential #Diagnosis ... #nephrology
Amyloidosis - Summary
Group of disorders associated with extracellular deposition of fibrils formed from low-molecular-weight proteins in
Clinical suspicion ... Amyloidosis Clinical ... Cardiac: • LVH, low-voltage ... Inflammation → Macrophage activation ... Testing Blood