240 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 ... #differential #diagnosis
Hepatopulmonary Syndrome
HPS - Diagnosis:
 1. Patients with liver disease
 2. Alveolar-arterial oxygen gradient (AaP02) >15 mmHg
Hepatopulmonary Syndrome ... HPS - Diagnosis ... Severe HPS: ≥ 50 PaO2 ... Hepatopulmonary #Syndrome ... #diagnosis #management
Platypnea-Orthodeoxia Syndrome on Physical Exam
The case of a patient with a diagnosis of cirrhosis and platypnea-orthodeoxia
Platypnea-Orthodeoxia Syndrome ... patient with a diagnosis ... platypnea-orthodeoxia syndrome ... to 90% (and in paO2 ... PhysicalExam #clinical #video
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Respiratory Distress Syndrome ... - 200 mm Hg < PaO2 ... - 100 mm Hg < PaO2 ... Respiratory #Distress #Syndrome ... Definition #Criteria #Diagnosis
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
- Differential Diagnosis ... Algorithm Acidemia ... Respiratory Acidosis (pCO2 ... #Differential #Diagnosis ... #Algorithm #Causes
Understanding & Treating ARDS - Acute Respiratory Distress Syndrome

•  Timing - within one week of
Respiratory Distress Syndrome ... Impaired Oxygenation PaO2 ... Distress #Acute #Syndrome ... #Diagnosis #Management
Causes of Unprovoked Pediatric Seizures -  Epilepsy Syndromes - Differential Diagnosis Algorithm 
Infantile:
 • Benign
- Differential Diagnosis ... Algorithm Infantile ... • Dravet Syndrome ... #Differential #Diagnosis ... #Algorithm #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 ... Nephritic #Nephrotic #Syndrome ... #Comparison #Algorithm ... #Nephrology #Diagnosis
Post Pulmonary Embolism Syndrome - Diagnostic Algorithm

Annals of the ATS @AnnalsATS

#PostPE #Pulmonary #Embolism #Syndrome #Diagnosis #Algorithm
Pulmonary Embolism Syndrome ... - Diagnostic Algorithm ... Pulmonary #Embolism #Syndrome ... #Diagnosis #Algorithm
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... Algorithm Extra-renal ... , Gitelman syndrom ... #Differential #Diagnosis ... #Algorithm #causes