2289 results
The differential diagnosis for an elevated MCHC (mean corpuscular hemoglobin concentration) includes:

Conditions with Abnormal RBCs:
 •
The differential ... opacification leads to a falsely ... Elevated #MCHC #Differential
Causes of Falsely Low Oxygen Saturation - Discordant SpO2 & PaO2 
 • Motion
 • Low
Causes of Falsely ... BrighamChiefs #Falsely ... PaO2 #diagnosis #differential
False Positive Lung Point on POCUS
Lung-Cardiac Point and Lung-Diaphragm Point
These images highlight selected differentials to pleural
False Positive Lung ... highlight selected differentials ... UAlberta_Sono #False ... ultrasound #pulmonary #differential
Causes of False Elevation and Reduction in HbA1c

== False Elevation ==
Decreased RBC turnover 
• Iron, B-12,
Causes of False ... in HbA1c == False ... Transfusions == False ... Transfusions #False ... Diagnosis #DM2 #Differential
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
that Can Cause False ... Amphetamine false ... Cannabinoid false ... Benzodiazepine false ... #drug #tests #differential
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 ... Conditions #RPR #False ... #Positives #differential
Hemorrhagic Pericardial Effusions (Hemopericardium)- Differential Diagnosis Framework

IATROGENIC DISEASE
Secondary to invasive cardiac procedures

NONIATROGENIC
• Malignancy (e.g., metastatic spread:
Hemopericardium)- Differential ... fluid may have false ... Hemopericardium #Differential
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
of Hematuria - Differential ... Must exclude false ... #Hematuria #Differential
Causes of Inaccurate Fecal Occult Blood Test Results 

False Positive gFOBT:
Ingestion of nonhuman heme (eg, meat
Test Results False ... anticoagulant medication False ... FalseNegative #Diagnosis #Differential
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
Specificity and False ... BAL samples • False ... in BAL does not differentiate ... mold-active AF • False