123 results
Leser–Trélat Sign on Physical Exam

Acute onset of multiple seborrheic keratoses, often a paraneoplastic sign of malignancy.

#Leser
Leser–Trélat Sign ... paraneoplastic sign ... #LeserTrelat #Sign ... PhysicalExam #clinical #video ... #skin #dermatology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... • Factor VIII Deficiency ... • Factor IX Deficiency ... Diagnosis #Algorithm #Causes ... #Hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Megakaryopoiesis • B12 Deficiency ... • Folate Deficiency ... Diagnosis #Algorithm #Causes ... #Hematology
Pemberton's Sign caused by a Retrosternal Thyroid Goiter

Elevating the arms causes the previously flat neck veins
Pemberton's Sign ... caused by a Retrosternal ... Elevating the arms causes ... #Pembertons #Sign ... PhysicalExam #clinical #video
Nikolsky's Sign in Toxic Epidermal Necrolysis (TEN)

Nikolsky's sign is a clinical dermatological sign which is present
Nikolsky's Sign ... Nikolsky's sign ... skin syndrome, caused ... #TEN #Dermatology ... #PhysicalExam #Video
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... 80 fL) • Iron Deficiency ... • Folate Deficiency ... Diagnosis #Algorithm #Causes ... #Hematology
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Causes of Neutropenia ... Myelodysplasia Nutritional deficiency ... Diagnosis #Algorithm #Causes ... #Hematology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
single factor deficiency ... Causes include : ... Pre-analytical cause ... aPTT #Prolonged #Causes ... #differential #hematology
Primary Adrenal Insufficiency
Addison's Disease - Damage of the adrenal glands with lack of cortisol, androgens and
Tuberculosis: can cause ... include protein C deficiency ... Aldosterone Deficiency ... IV) Cortisol Deficiency ... Reduced libido • Signs
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
blood loss (Fe deficiency ... Differential #Diagnosis #causes ... #Platelets #hematology