11 results
What is Fecal Occult Blood Testing (FOBT)
 • Screening for colorectal cancer in average risk population
Fecal Occult Blood Testing ... Three separate stool ... to unnecessary testing ... #FOBT #Guaiac #FalsePositives ... #FalseNegatives
Causes of Inaccurate Fecal Occult Blood Test Results 

False Positive gFOBT:
Ingestion of nonhuman heme (eg, meat
#OccultBlood #Testing ... #Laboratory #FalsePositive ... #FalseNegative ... #Diagnosis #Differential ... Accuracy #Inaccurate #Stool
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
and Management Algorithm ... Microbiologic-Testing ... Microbiologic-Testing ... Workup #Management #Algorithm ... Transplant #diagnosis #differential
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... type 4) - Salt wasting ... #Hypokalemia #Differential ... Diagnosis #Low #Potassium ... #Table #Classification
Upper Gastronintestinal Bleed - Differential Diagnosis Algorithm
Acute Hematemesis/Melena
 - Blood in vomitus?/black, tarry stools
 - If
Gastronintestinal Bleed - Differential ... Diagnosis Algorithm ... /black, tarry stools ... - Stress (ICU Setting ... #Diagnosis #Algorithm
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... treated with IV potassium ... differentiating kidney K wasting ... #differential # ... potassium #nephrology
Diagnostic algorithm for the workup of hypercalcemia. The diagnostic workup for patients presenting with hypercalcemia rests
Diagnostic algorithm ... sensitivity for correct classification ... Thus, further testing ... Hypercalcemia #Workup #Differential ... #Algorithm
A lazy man's classification of hyponatremia
There are two possible approaches to the diagnosis of hyponatremia: .
A lazy man's classification ... cerebral salt wasting ... #Hyponatremia #Algorithm ... #Differential #
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
Pragmatic diagnostic algorithm ... confirmed via genetic testing ... correcting serum potassium ... hypokalemia #diagnosis #differential ... #algorithm #nephrology
Causes of Hypokalemia
I. Decreased intake
   A. Starvation
   B. Clay ingestion
II. Redistribution into
diuresis, salt-wasting ... Increased secretion of potassium ... #Hypokalemia #Differential ... Diagnosis #Low #Potassium ... #Classification