24 results
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
Causes of False ... in HbA1c == False ... • Asplenia Laboratory ... Transfusions == False ... HbA1c #HgbA1c #Laboratory
1,3 Beta-D-Glucan and Galactomannan - Pathogens, and Testing Characteristics
1,3 ß-D-glucan:
 • Most fungi excluding mucor and
and pneumocystis False ... Glucan-containing gauzes ... other fungi • False ... #Specificity #Laboratory
Lab patterns seen in Inborn Errors of Metabolism

A table of lab values compiled from UpToDate and
Metabolism A table ... metabolicemergency-pathophysiology-differential-pediatrics-metabolism-algorithm-diagnosis ... Peds #Pediatrics #Table ... Genetics #IEM #Laboratory
Hepatitis B Virus Serology and Interpretation
HBsAg - Anti-HBs - Anti-HBc - HBeAg - Anti-HBe
 - Acute
(about 10% of cases ... (immunity) - False-positive ... Interpretation #diagnosis #laboratory
Urine Drug Screens - Common drugs that may cause false positive tests 

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
drugs that may cause ... false positive ... DrugScreens #UDS #Laboratory
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... Differential Diagnosis Algorithm ... Must exclude false ... Differential #Diagnosis #Algorithm ... #Causes
RPR - False Positives
Causes of a false positive RPR that are not syphilis. (False-negative treponemal tests
RPR - False Positives ... Causes of a false ... (False-negative ... tests are rare; case ... diagnosis #syphilis #laboratory
Overview guide to looking for causes to hyponatremia. Visit gramproject.com for more medical diagrams, tables and
to looking for causes ... medical diagrams, tables ... #algorithm #differential ... #causes #hyponatremia
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Differential Diagnosis Algorithm ... Cardiovascular Causes ... Infarction • Stable ... Differential #Diagnosis #Algorithm ... #causes
Principal Causes of Generalized Edema - History, Physical Examination, and Laboratory Findings 

Cardiac, Hepatic, Renal (ARF),
Principal Causes ... Examination, and Laboratory ... #Differential #Table