19 results
COVID-19 PCR and Serology Testing - Timeline
 • Nucleic Acid Test - Most reliable and can
COVID-19 PCR and Serology ... Testing - Timeline ... • Nucleic Acid Test ... antibody #antibodies #testing ... #laboratory #Timeline
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia ... Algorithm Hypertonic Hyponatremia ... Cirrhosis, Nephrotic syndrome ... Cerebral salt wasting ... diagnosis #sodium #nephrology
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
• Additional laboratory ... tests may be needed ... chronic kidney tests ... Test for celiac ... Non-invasive testing
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
Laboratory Diagnosis ... susceptibility testing ... the preferred test ... testing of skin ... the workup • Test
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... Cerebral salt wasting ... syndrome Hypovolemia ... Cardiac failure #Hyponatremia ... Algorithm #Causes #nephrology
Helicobacter Pylori Testing  Methods - Sensitivity and Specificity

Serology - 85% - 79% - Does not
Helicobacter Pylori Testing ... Specificity Serology ... Urea breath test ... first line test ... #Laboratory #Diagnosis
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Based Approach to Hyponatremia ... Cerebral salt wasting ... Cirrhosis, Nephrotic syndrome ... SatyaPatelMD #Volume #Hyponatremia ... #sodium #low #nephrology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
- CCP antibody testing ... more time for the laboratory ... • Hepatitis B serology ... testing • Serum ... Rheumatoid #Arthritis #laboratory
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Approach to Hypotonic Hyponatremia ... case of hypotonic hyponatremia ... Cerebral Salt Wasting ... Cirrhosis, Nephrotic syndrome ... table #sodium #nephrology
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Hyponatremia - Diagnosis ... and Treatment Hyponatremia ... demyelination syndrome ... up to 3x in the setting ... Treatment #management #nephrology