18 results
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
- Differential Diagnosis ... Respiratory Acidosis (pCO2 ... Respiratory Alkalosis (pCO2 ... < 35 mmHg) #AcidBase ... #Differential #Diagnosis
Acid Base Compensation - Directions - If all three variables (pH, HCO2, pCO2) move in the
variables (pH, HCO2 ... , pCO2) move in ... #Diagnosis #Nephro ... #AcidBase #Acidosis
Arterial Blood Gas (ABG) Analysis - Metabolic + Respiratory Acidosis + Alkalosis

pH ↓ pCO2 ↓ -
Alkalosis pH ↓ pCO2 ... acidosis pH ↑ pCO2 ... alkalosis pH ↑ pCO2 ... Interpretation #AcidBase ... #Diagnosis #Compensation
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 ... #differential #diagnosis
PLACO Mnemonic - Approach to Acid-Base Disorders
P - Determine the pH
L - Labs: PCO2 & HCO3
A
pH L - Labs: PCO2 ... jadav_md #PLACO #AcidBase ... #Acid #Base #diagnosis
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 ... MD @nickmmark #acidbase ... workup #algorithm #diagnosis
PROSEVA definition of ARDS
Thus, the PROSEVA trial essentially modifies the Berlin definition of ARDS, with the
definition of ARDS ... definition of ARDS ... requires that the PaO2 ... #Diagnosis #CriticalCare ... #ARDS #PROSEVA
Understanding & Treating ARDS - Acute Respiratory Distress Syndrome

•  Timing - within one week of
Understanding & Treating ARDS ... Impaired Oxygenation PaO2 ... @nickmmark #ARDS ... Acute #Syndrome #Diagnosis
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Distress Syndrome (ARDS ... severity of the ARDS ... - 200 mm Hg < PaO2 ... >= 5cm H2O #ARDS ... Definition #Criteria #Diagnosis
Blood Gas (ABG) Interpretation and Acid-Base Pathology
1- Does the patient have an acidosis or an alkalosis?
Look at the pCO2 ... Metabolic Equal (If pCO2 ... the change in pCO2 ... MSc @AmyChung #AcidBase ... Acidosis #Alkalosis #Diagnosis