25 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = PAO2 ... - PaO2 A-a gradient ... (Patm - 47) - (PaCO2 ... : Atelectasis, ARDS ... Hypoxia #hypoxemia #differential
Acid Base and Blood Gas Analysis
1. pH - What’s the primary disturbance?
2. pCO2 - What’s the
2. pCO2 - What’s ... the pCO2? ... Medications, Central, ↑ CO2 ... Vomiting D - Diarrhea ... nickmmark #acidbase #workup
Approach to Diarrhea - Differential Diagnosis and Workup Algorithm

Acute Diarrhea (MINT):
 • Medications
 • Infections: Inflammatory
Approach to Diarrhea ... - Differential ... Diagnosis and Workup ... , Watery diarrhea ... #Differential #
Algorithm for the Evaluation of Acute Diarrhea (< 7 days)
Are the following present?
   1.
Evaluation of Acute Diarrhea ... Immunocompromised patient: AIDS ... Diarrhea > 10 days ... Bloody diarrhea, ... management #algorithm #workup
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... Metabolic: pH pCO2 ... acidosis Step 5 - Differential ... acidosis: - Diarrhea ... Base #Gas #VBG #differential
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Evaluation of Chronic Diarrhea ... Causes of acute diarrhea ... ) #Chronic #Diarrhea ... management #algorithm #workup ... #diagnosis #differential
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Acidosis - RTA - Diarrhea ... #Hypokalemia #Differential ... Diagnosis #Causes #Workup
Important causes of diarrhea in people with HIV/AIDS
Severity, chronicity/persistence will depend On CD4 count & sites
Important causes of diarrhea ... people with HIV/AIDS ... Kaposrs sarcoma, AIDS ... Questions @WuidQ #Diarrhea ... #HIVAIDS #Differential
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... - Differential ... Malabsorption, Chronic diarrhea ... Hypophosphatemia #Differential ... Diagnosis #Framework #Workup
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
Diarrhea Workup ... testing negative and diarrhea ... malabsorption #Diarrhea ... #Workup #Management ... Transplant #diagnosis #differential