18 results
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Causes include : ... (e.g. heparin contamination ... thrombin inhibitors, heparin ... amyloidosis #Abnormal ... #differential #hematology
Summary of Coagulation Deficiencies
Inherited:
 • Hemophilia A - Deficiency of Factor VIII
 • Hemophilia B -
Medications - Heparin ... • Acute DIC - Septic ... Deficiencies #Summary #table ... #comparison #diagnosis ... #hematology #deficiency
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... unfractionated heparin ... e.g. heparin ... Jcortesizaguirr #Abnormal ... #differential #hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
dysfunction (25%) • Hepatic ... Treat primary cause ... 100mg/dL) - Heparin ... Coagulation #diagnosis #causes ... treatment #management #hematology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Destruction • Abnormal ... Congenital • Factor ... Deficiency • Factor ... #Causes #Hematology
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
PT/ABNORMAL PTT ... Acquired: • Heparin ... than bleeding) ABNORMAL ... discern these causes ... Differential #Diagnosis #Hematology
Etiologies of Hypoaldosteronism

Hyporeninemic Hypoaldosteronism (Low Renin, Low Aldosterone)
 - Diabetic Nephropathy 
 - NSAIDs
Non-Hyporeninemic Hypoaldosteronism (Normal
Hypoaldosteronism (Normal ... Inhibitors - Chronic heparin ... or High Renin, Normal ... #Aldosterone #Comparison ... #Table #Causes
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Liver #Lesions #Hepatic ... Contrast #CT #MRI #POCUS ... differential #diagnosis #comparison ... #table #appearance ... #hepatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Differential Diagnosis Algorithm ... Thrombocytopenia - Abnormal ... deficiency - Abnormal ... #Causes #dermatology
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
patientsl • Risk factors ... without other cause ... Transfusion #Reactions #hematology ... #diagnosis #comparison ... #table