22 results
Thrombocytopenia and Pregnancy - TTP/HUS, HELLP Syndrome and Acute Fatty Liver of Pregnancy (AFLP)
Three syndromes in
Pregnancy - TTP/HUS, HELLP ... child * Severe cases ... AFLP #obstetrics #hematology ... #diagnosis #table ... #comparison
Thrombocytopenia and Pregnancy
Three syndromes in the critically ill pregnant woman who presents with coagulation defects.
1) HELLP
coagulation defects. 1) HELLP ... child * Severe cases ... Obstetrics #OBGyn #Hematology ... #Diagnosis #Comparison ... #Table
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Anemia Intrinsic Causes ... agents ex. lead, copper ... Intravascular Causes ... TTP, HUS, DIC, HELLP ... classification #hematology
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Causes of Thrombocytopenia ... Nutritional: B12, copper ... - Pregnancy: HELLP ... Diagnosis #Framework #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... coagulation (DIC) - HELLP ... Wilson's disease, Copper ... Extravascular #Causes ... differential #diagnosis #hematology
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
= nonspecific (nausea ... , vomiting, abdominal ... Antithrombin Ill • Ultrasound ... Preeclampsia, HELLP ... Liver #Pregnancy #hepatology
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Contrast Enhanced Ultrasound ... Lesions #Hepatic #Ultrasound ... differential #diagnosis #comparison ... #table #appearance ... #hepatology
Dilated Abdominal Veins and Caput Medusae - Direction of Blood Flow

Vein Milking technique can be used
Dilated Abdominal ... determine the cause ... physicalexam #diagnosis #hepatology ... #obstruction #comparison ... #abdominal #veins
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... 90%, Abnormal Abdominal ... Ultrasound High ... Diagnosis #Algorithm #Causes ... #Hematology
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Causes of Secondary ... disease - Renal ultrasound ... Duplex Doppler ultrasound ... ; MRA; abdominal ... Screening #Workup #table