21 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
of Hypoxemia- Differential ... Ventricular Septal Defect ... Atrial Septal Defect ... Hypoventilation Syndrome ... Hypoxemia #Hypoxia #Differential
Inherited Qualitative Platelet Defects
Bernard-Soulier Syndrome
 • Defect of adhesion due to a lack of GP Ib/IX/V
Bernard-Soulier Syndrome ... • Defect of adhesion ... Grey Platelet Syndrome ... #comparison #table ... #differential #
Clues to Differential Diagnosis of Central Cyanosis: Onset of cyanosis, Clubbing, Secondary erythrocytosis, Auscultation, X-ray, Echocardiography,
Clues to Differential ... Cyanotic heart defect ... - Pulmonary diseases ... - Pulmonary AV ... Cardiology #Causes #Table
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
- Gitelman syndrome ... - Genetic defects ... - Hungry bones syndrome ... Hypomagnesemia #Differential ... Low #Magnesium #Table
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... obesity-hypoventilation syndrome ... reversible diffusion defects ... hepatopulmonary syndrome ... ventricular septal defects
Inherited Defects in Kidney Tubule Epithelial Cells

Renal glucosuria - Na+-dependent glucose cotransporter
Cystinuria - Amino acid transporter
Bartter
Inherited Defects ... limb Gitelman syndrome ... Epithelial #Inherited #Defects ... Nephrology #Diagnosis #Differential ... #Table
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
PSS: Sjogren syndrome ... CTILD #Diagnosis #Differential ... #Comparison #Table ... #Pulmonary #Rheumatology
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... Hepatopulmonary Syndrome ... • Diffusion Defect ... : Pulmonary Fibrosis ... Hypoxia #hypoxemia #differential
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Hyponatremia - Differential ... - Cirrhosis Syndrome ... hemorrhage) - Pulmonary ... #Hyponatremia #Differential ... #Diagnosis #Table
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Chronic Dyspnea - Differential ... Artery Disease • Stable ... Acute Coronary Syndrome ... Vessels • Pulmonary ... #Dyspnea #SOB #Differential