15 results
What is Fecal Occult Blood Testing (FOBT)
 • Screening for colorectal cancer in average risk population
Fecal Occult Blood Testing ... evaluation • False ... cauliflower, ETOH • False ... Massachusetts GI ... #OccultBlood #Testing
Differential Diagnosis of Jaundice, Presentation Pattern #Diagnosis #EM #IM #GI #Jaundice #Pattern #LFTs #Workup #Table #Differential
Diagnosis #EM #IM #GI ... Pattern #LFTs #Workup ... #Table #Differential
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
Tuberculin skin testing ... (TST) False-negative ... microscopy • Testing ... recommended because false-negative ... #Diagnosis #Workup
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Mechanism Decreased GI ... hypomagnesemia Excessive GI ... Familial renal Mg wasting ... Low #Magnesium #Table ... Classification #Causes #Workup
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
Contributing to False ... ofloxacin, poppy seeds ... (High Rate of False ... not result in false ... DrugScreening #UDS #Testing
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Syncope Diagnostic Testing ... Syncope #diagnosis #workup ... #testing #Cost ... Effectiveness #table
GLP-1 Agonists

Adlyxin (Lixisenatide) Daily
Bydureon (Exenatide ER) Weekly 
Ozempic (Semaglutide) Weekly 
Trulicity (Dulaglutide) Weekly 
Victoza (Liraglutide) Daily
They work primarily ... effects include GI ... upset (since it works ... in the GI tract ... Notice that the MOA seems
Additional Modalities for Workup of GI Bleed (Other than EGD + Colonoscopy)

Pill endoscopy
 • Able to
Modalities for Workup ... of GI Bleed (Other ... Noninvasive • False ... MatthewHoMD #GI ... gastroenterology #table
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
- Anorexia GI ... type 4) - Salt wasting ... Low #Potassium #Table
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... smear, HIV/HCV testing ... . pylori test (GI ... Diagnosis #Causes #Workup