3355 results
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
of Hypoxemia- Differential ... Right to Left Shunt ... Right to Left Shunt ... Hypoxemia #Hypoxia #Differential
Differential Diagnosis: Cyanosis - Mnemonic "COLD PALMS"
Peripheral cyanosis 
• Cold 
• Obstruction 
• LVF and shock
Differential Diagnosis ... sulfhemoglobinemia • Shunt
Causes of Cyanosis in the Newborn - Differential Diagnosis Algorithm
Peripheral Only:
 • Poor Perfusion
 • Acrocyanosis
Hemoglobinopathy:
the Newborn - Differential ... Left-to-Right Shunt ... Right-to-Left Shunt ... Cyanosis #Newborn #Differential
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Right-to-Left Shunt ... Hypoxemia #Hypoxia #Differential
An Algorithm for CSF Shunt Complications
#Algorithm, #CSFShunt, #NSGY, #Neurosurgery, #ddxof
Algorithm for CSF Shunt
Patent Ductus Arteriosus (PDA) on Cardiac MRI

16 y with Syncope /differential cyanosis / clubbing - PDA
with Syncope /differential ... PDA with R to L shunt
AEIOU TIPS - Mnemonic for Causes of Altered Mental Status
A - Alcohol, Acidosis, Ammonia, Arrhythmia
E -
Occupying Lesions, Shunt ... encephalopathy #diagnosis #differential
Pulmonary Artery Catheter Pressures
Normal: RA 0-8, RV 15-25/0-8, Mean PAP <25, PCWP 8-12, Cardiac Index 2.6-4.2
HFrEF,
Left-to-Right Shunt ... Right-to-Left Shunt
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Right to Left Shunt ... - Anatomic Shunt ... - Physiologic Shunt ... Hypoxia #hypoxemia #differential
Approach to the Hospitalized Patient with Cirrhosis
1) Recognize and Manage Decompensation
 • Ascites
 • Variceal Bleeding
Portosystemic Shunt ... Cirrhosis #diagnosis #treatment