14 results
Algorithm for the Evaluation of Acute Diarrhea (< 7 days)
Are the following present?
   1.
Routine stool culture ... HIV infection or ... while awaiting culture ... Bloody diarrhea, ... #algorithm #workup
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Causes of acute ... Parasitic infections ... leukocytes and occult blood ... #workup #diagnosis ... #differential
Acute Diarrhea - Differential Diagnosis Framework
1)  Diagnostic studies only for dysentery, severe disease, >7 days
2)
Acute Diarrhea - ... Differential Diagnosis ... >7 days 2) PCR>culture ... #Diarrhea #Differential ... NonInfectious #Algorithm
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
- AKI Workup Algorithm ... culture, urine ... culture, inflammatory ... #Algorithm #Differential ... #Diagnosis #nephrology
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... and Diagnosis Algorithm ... repeat testing • Acute ... → Urine culture ... #blood #urine
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Blood Culture-Negative ... Infective Endocarditis ... identified with modern culture ... - Standard culture ... #diagnosis #differential
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
Diarrhea Workup ... and Management Algorithm ... CMV qPCR (Serum/Blood ... Bacterial culture ... #diagnosis #differential
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
Endocarditis Algorithm ... disease • Systemic infection ... Native Valve - Acute ... • HACEK • Culture-negative ... Noninfective #Causes #Differential
Causes of Post-Partum Hemorrhage - Differential Diagnosis Algorithm
Blood Loss: >500mL post vaginal delivery OR >1000 mL
Diagnosis Algorithm ... Blood Loss: >500mL ... post Caesarean section ... distension • Uterine infection ... delivery) • Uterine rupture
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Microbiology: Blood ... 90% of IE cases Culture ... (+): Acute: ... staphylococci Culture ... Marantic (NTBE) Differential