17 results
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
and the aPTT are ... (e.g. heparin contamination ... inhibitory drugs (e.g ... specific inhibitor (e.g ... #differential #hematology
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
PT and/or aPTT ... to one factor e.g ... e.g. heparin ... inhibitory drugs e.g ... #differential #hematology
Approach to the Hypercoagulable State
Arterial thromboembolism
→ Cardiac rhythm monitoring, Echocardiogram, Vascular imaging
→ Test for APS, particularly
• Provoked (e.g ... screening, CBC, aPTT ... Hypercoagulable #Workup #hematology ... #diagnosis #algorithm ... #hematology #VTE
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
and Platelet Disorders ... : INR/PT, aPTT(liver ... function test, ANA (e.g ... or if a primary hematologic ... #Workup #hematology
Hemophilia - Diagnosis and Management
Diagnosis:
 • Consistent bleeding history (unless screening for disease in family members
Hemophilia - Diagnosis and ... mixing study (aPTT ... normal in mild cases ... hemophilia type (e.g ... #treatment #hematology
Causes of Localized Lymphadenopathy - Differential Diagnosis Algorithm
Cervical:
 - Anterior
     • Infection
Causes of Localized ... Differential Diagnosis Algorithm ... • Infection (e.g ... Infection (Forearm/Hand ... #Causes #Hematology
Hydroxychloroquine Serum Measurement in SLE
 • Terminal elimination half-life = 40 days ([HCQI reflects long-term intake)
concentration: > 750ng/mL and ... • Special cases ... (e.g. renal failure ... Measurement #SLE #rheumatology ... levels #lupus #management
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Differential Diagnosis Algorithm ... Increased Requirement (e.g ... • Rule out B12 and ... #Causes #Hematology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
autoantibodies that will cause ... Lumbar Puncture, EEG ... Erythematosus #SLE #CNS #neurology ... #rheumatology # ... cerebritis #diagnosis #management
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
underlying disease (eg ... • Infection (eg ... Hypofibrinogenemia • ↑ PT ↑ PTT ... Syndrome #Diagnosis #Management ... #Hematology #Rheumatology