33 results
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
HCO3 < 24mmol/L) CO2 ... Respiratory Acidosis (pCO2 ... Respiratory Alkalosis (pCO2 ... < 35 mmHg) #AcidBase ... Diagnosis #Algorithm #Causes
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 ... Weakness, Loss of Chest ... Elasticity (flail chest ... : Atelectasis, ARDS
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Distress Syndrome (ARDS ... be present on a chest ... 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 ... on CT or CXR ● PaO2 ... there is no clear cause ... the underlying cause ... days after dx of ARDS
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
7.35-7.45 • PaCO2 ... 35-45 mmHg • PaO2 ... Metabolic: pH pCO2 ... Acetazolamide Causes ... MDaniyalHashmi1 #AcidBase
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Pleural Thickening/Masses ... Chest Wall Abnormalities ... Pneumonia • ARDS ... Diagnosis #Algorithm #Causes
COVID-19 Chest CT - Case 7 - This one looks like full on ARDS

Batch of COVID-19
COVID-19 Chest CT ... looks like full on ARDS ... with fibrosis/ARDS ... COVID19 #SARSCoV2 #CTChest ... #CoronaVirus #ARDS
Our patient was exposed to burning sumac smoke while clearing out her yard .  Toxicodendron
the smoke can cause ... lungs causing ARDS ... Tox #Radiology #CTChest
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
The probable cause ... and treat the cause ... evaluating potential causes ... • If expired CO2 ... POTENTIAL CAUSES
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Uncommon Causes ... dissolved in the PaO2 ... respiratory failure or ARDS ... infiltrates on chest ... scattered crackles, chest