17 results
Factors that May Affect Fetal Oxygenation - Differential Diagnosis Algorithm

Excessive Uterine Activity:
 • Hyperstimulation
 • Placental
Oxygenation - Differential ... Diagnosis Algorithm ... • Post-dates pregnancy ... Uterine Blood Flow ... #Causes #Obstetrics
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
3) Now, look at ... , chronic, or acute ... on chronic) of ... Differential Diagnosis ... Metabolic Acidosis, Pregnancy
Oxyhemoglobin Dissociation Curve 

Left Shift - decreased unloading of O2 at tissue level (i.e.  increased
- decr H+ (alkalosis ... variant • fetal ... • chronic ... #Right #Shift #Differential ... #Causes #Diagnosis
Causes of Low Vitamin B12 Levels
Low vitamin B12 intake - Vegetarianism, chronic alcoholism and older people
Autoimmune
B12 Levels Low ... achlorhydria Obstetric ... replacement therapy and pregnancy ... #cobalamin #differential ... #diagnosis
Causes of Intrauterine Growth Restriction / Small for Gestational Age - Differential Diagnosis Algorithm
Fetal Factors:
 -
Diagnosis Algorithm ... Fetal Factors: ... Uteroplacental Flow ... GrowthRestriction #Pregnancy ... #Causes #Obstetrics
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
Acute Fatty Liver ... of Pregnancy (AFLP ... : • Defect in fetal ... infiltration) Differential ... #hepatology #obstetrics
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Hypophosphatemia - Differential ... Diagnosis Framework ... paraproteinemia, acute ... Malabsorption, Chronic ... resp. alkalosis
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Diagnosis Algorithm ... Appropriately Low ... GI Absorption: Chronic ... Refeeding Syndrome, Acute ... Respiratory Alkalosis
Intrapartum Abnormal Fetal HR Tracing - Causes of Bradycardia and Tachycardia - Differential Diagnosis Algorithm
Maternal Bradycardia:
Tachycardia - Differential ... Diagnosis Algorithm ... response • Maternal position ... stimulation (e.g. chronic ... #Causes #Obstetrics
Liver Disease in Pregnancy
Intrahepatic Cholestasis of Pregnancy (ICP)
 • Onset/Trimester: 25-32 weeks
 • Typical clinical features:
Liver enzymes, and Low ... and hemorrhage Acute ... #hepatology #obstetrics ... hepatitis #comparison #differential ... #diagnosis #icp