8 results
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
/0.8)] - PaO2 Normal ... PiO2: Extreme Elevation ... Left Shunt - Anatomic ... arterial #pulmonary #Hypoxia ... #hypoxemia #differential
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
- Polycythemia Differential ... Diagnosis Algorithm ... Polycythemia - Acquired Causes ... : • Hypoxia-driven ... ), TEMPI (VEGF normal
Intrapartum Abnormal Fetal HR Tracing - Causes of Variability & Decelerations - Differential Diagnosis Algorithm
Minimal/Absent Variability
Intrapartum Abnormal ... Fetal HR Tracing - Causes ... Decelerations - Differential ... Diagnosis Algorithm ... bpm): • Mild hypoxia
Causes of Post-Partum Hemorrhage - Differential Diagnosis Algorithm
Blood Loss: >500mL post vaginal delivery OR >1000 mL
Causes of Post-Partum ... Hemorrhage - Differential ... Diagnosis Algorithm ... • Functional/anatomic ... succenturiate lobe • Abnormal
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Liver Injury - Differential ... Diagnosis Algorithm ... Vascular Causes ... function may be abnormal ... #diagnosis #algorithm
Intrapartum Abnormal Fetal HR Tracing - Causes of Bradycardia and Tachycardia - Differential Diagnosis Algorithm
Maternal Bradycardia:
Intrapartum Abnormal ... Fetal HR Tracing - Causes ... Tachycardia - Differential ... Diagnosis Algorithm ... #Causes #Obstetrics
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... Diagnosis Algorithm ... high - Chronic hypoxia ... about secondary causes ... #Diagnosis #Algorithm
Causes of Male Infertility - Differential Diagnosis Algorithm
Sperm Transport:
 • Vasectomy
 • Cystic fibrosis gene mutation
Causes of Male Infertility ... - Differential ... Diagnosis Algorithm ... Sperm Motility - Abnormal ... infection, trauma) • Anabolic