35 results
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
Abnormal Coagulation Tests ... PT - Prolonged aPTT ... PT - Prolonged aPTT ... #Laboratory #Hematology ... #Diagnosis #Workup
Mixing Study
 • Clotting tests can be abnormal due to either a clotting factor deficiency, or
Study • Clotting tests ... PT and/or aPTT) ... Mixing #Study #diagnosis ... #hematology #pathophysiology ... #hematology #laboratory
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
and Workup History ... : INR/PT, aPTT(liver ... (CVID, WAS), (neurologic ... #Causes #Workup ... #hematology
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
- Differential Diagnosis ... and Management ... Direct antiglobulin test ... , PT/aPTT MAHA ... #hematology
Prothrombin Time (PT) and Partial Thromboplastin Time (PTT)

Prothrombin Time (PT) - Often Elevated in:
 • Vitamin
Thromboplastin Time (PTT ... Thromboplastin Time (PTT ... • Underfilled test ... Thromboplastin #laboratory ... #hematology #diagnosis
Algorithm for the Evaluation and Management of Sickle Cell Crises
Clinical Manifestations and Management

#Diagnosis #Management #Hematology #SickleCell
Evaluation and Management ... of Sickle Cell Crises ... #Diagnosis #Management ... #Hematology #SickleCell ... Manifestations #Workup
Approach to the Hypercoagulable State
Arterial thromboembolism
→ Cardiac rhythm monitoring, Echocardiogram, Vascular imaging
→ Test for APS, particularly
Vascular imaging → Test ... - No other workup ... screening, CBC, aPTT ... #hematology #diagnosis ... #algorithm #hematology
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Hemolysis - Diagnostic ... Algorithm and Causes ... #Workup #Hematology ... #Diagnosis * ... GrepMed Recommended Text
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
patients with anemia, diagnose ... • Additional laboratory ... change medical management ... Gastrointestinal #Evaluation #workup ... #diagnosis #gastroenterology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory ... value is low, tests ... performed PT, PTT ... indirect antiglobulin tests ... #Workup #Hematology