66 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 ... Hypoventilation Syndrome ... Hepatopulmonary Syndrome ... : Atelectasis, ARDS
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Respiratory Distress Syndrome ... on CT or CXR ● PaO2 ... there is no clear cause ... the underlying cause ... RespiratoryDistress #Syndrome
Understanding & Treating ARDS - Acute Respiratory Distress Syndrome

•  Timing - within one week of
Understanding & Treating ARDS ... Respiratory Distress Syndrome ... Impaired Oxygenation PaO2 ... @nickmmark #ARDS ... Distress #Acute #Syndrome
ABG vs VBG: Arterial vs Venous Blood Gases

ABG
PROS: Tells you exactly what the arterial environment looks
vs Venous Blood Gases ... looks like (pH, PaCO2 ... #Correlation #Comparison ... #pH #pCO2 #Diagnosis
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Respiratory Distress Syndrome ... (ARDS) - Respiratory ... severity of the ARDS ... >= 5cm H2O #ARDS ... Respiratory #Distress #Syndrome
Hyperthermia Syndromes Comparison
Serotonin Syndrome - NMS - Malignant Hyperthermia - Malignant Catatonia
Cause - Onset - Vitals
Hyperthermia Syndromes ... Comparison Serotonin ... Syndrome - NMS ... Malignant Catatonia Cause ... #Comparison #diagnosis
Hyperthermic Syndromes - This table summarizes the similarities and differences between some toxicologic causes of hyperthermic
Hyperthermic Syndromes ... some toxicologic causes ... of hyperthermic syndromes ... • Serotonin syndrome ... #Comparison #Table
Causes of Small Bowel Bleeding - Differential Diagnosis
Common Causes:
 • Under age 40 years: Inflammatory Bowel
Causes of Small ... Diagnosis Common Causes ... NSAID ulcers Rare Causes ... Kaposi's sarcoma with AIDS ... Differential #Diagnosis #Causes
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
Nephritic vs Nephrotic Syndrome ... nephrotic/nephritic syndromes ... hematuria (RBC casts ... Nephritic #Nephrotic #Syndrome ... #Comparison #Algorithm
Pemberton's Sign caused by a Retrosternal Thyroid Goiter

Elevating the arms causes the previously flat neck veins
Pemberton's Sign caused ... Elevating the arms ... causes the previously ... superior vena cava syndrome ... neck #mass #SVC #Syndrome