53 results
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
Acid-Base Disorders ... - Differential ... Respiratory Acidosis (pCO2 ... Respiratory Alkalosis (pCO2 ... AcidBase #Disorders #Differential
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
A-a gradient = PAO2 ... : Atelectasis, ARDS ... Embolism, Obstructive Lung ... , Interstitial Lung ... Hypoxia #hypoxemia #differential
Acid Base Disorders Worksheet

Step 1: Gather the necessary data (Na+, CI-, HCO3-, PH, pCO2). Preferably, all
Acid Base Disorders ... CI-, HCO3-, PH, pCO2 ... diagnoses using the differentials ... joshsteinbergMD #Acid #Base ... Worksheet #diagnosis #differential
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Distress Syndrome (ARDS ... lobar collapse, lung ... severity of the ARDS ... - 200 mm Hg < PaO2 ... >= 5cm H2O #ARDS
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Distress Syndrome – ARDS ... , inflammatory lung ... permeability, lung ... with decreased lung ... on CT or CXR ● PaO2
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Evaluation and Differential ... and ~5 mmHg to pCO2 ... Differential Diagnosis ... depression, Obstructive Lung ... Evaluation #workup #Differential
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Bilateral B-Lines in case ... of Pneumonia on Lung ... POCUS lung exam ... Differential Bilat ... Pulmonary edema, ARDS
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... Differentials? ... Metabolic: pH pCO2 ... or restrictive lung ... bloodgas #Acid #Base
Amiodarone-Induced Lung Iniurv (AILI) - Timeline
Hours to days (peri-procedurally): ARDS
Days to months: DAH
Weeks: Eosinophilic pneumonia
Weeks to
Amiodarone-Induced Lung ... peri-procedurally): ARDS ... pulmonary #diagnosis #differential
ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
ARDS/VALI progression ... involvement, with “white lung ... structures help in the differential ... CXR #ChestXRay #ARDS