412 results
Causes of Cyanosis in the Newborn - Differential Diagnosis Algorithm
Peripheral Only:
 • Poor Perfusion
 • Acrocyanosis
Hemoglobinopathy:
- Differential Diagnosis ... Left-to-Right Shunt ... Right-to-Left Shunt ... #Differential #Diagnosis ... Algorithm #Causes #Peds
Hypoplastic Left Heart Syndrome (HLHS)
 • Introduction
 • Embryology
 • Anatomy
 • Physiology of HLHS
 •
Physical Exam/Diagnostic ... Palliation • Shunt ... HLHS #cardiology #peds
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 ... Hemodynamics #Cardiology #diagnosis
Differential Diagnosis: Cyanosis - Mnemonic "COLD PALMS"
Peripheral cyanosis 
• Cold 
• Obstruction 
• LVF and shock
Differential Diagnosis ... sulfhemoglobinemia • Shunt ... Cyanosis #COLDPALMS #Diagnosis
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... Right to Left Shunt ... Right to Left Shunt ... #Differential #Diagnosis
Step by Step Algorithmic Approach to Pediatric Fever

Age < 21 days old (or 28 days for
mL CRP mg/L or ANC ... #Pediatrics #Peds ... #Diagnosis #Management
Hepatopulmonary Syndrome on Echocardiogram (A4C)
Hepatopulmonary Syndrome: Intrapulmonary shunting is most commonly demonstrated by contrast TTE when
Echocardiogram (A4C ... with intracardiac shunt ... Echocardiogram #A4C
Kawasaki Disease - Workup and Diagnostic Algorithm #Diagnosis #Management #Peds #Pediatrics #Kawasaki #Disease #Algorithm #CRASH #BURN
Disease - Workup and Diagnostic ... Algorithm #Diagnosis ... #Management #Peds
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 ... #differential #diagnosis
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential Diagnosis ... Right-to-Left Shunt ... #Differential #Diagnosis