15 results
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
- Differential ... Myelofibrosis Infectious ... following EtOH induced thrombocytopenia ... Iron deficiency anemia ... Algorithm #Causes #Hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
- Differential ... ): • Acute infection ... malignancies • Anemia ... iron deficiency, hemolysis ... Diagnosis #Causes #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
anemia): ... microangiopathy: Thrombotic thrombocytopenic ... Extravascular #Causes #differential ... #diagnosis #hematology ... #anemia
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Platelet Count - Differential ... → Refer to hematology ... blood loss, Acute hemolysis ... , deficiency anemia ... Diagnosis #Algorithm #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... DIC/TTP/HUS - Hemolytic ... anemia - Splenomegaly ... #Diagnosis #hematology ... #dermatology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Schistocytes, thrombocytopenia ... inclusions - If infection ... #Anemia #Differential ... Algorithm #workup #hematology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... hemostasis: - Thrombocytopenia ... - Trauma - Infection ... #Differential # ... Algorithm #Causes #dermatology
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
inflammation or infection ... , the differential ... petechial or purpuric rash ... #Diagnosis #Dermatology ... Purpural #Purpuric #Rash
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
lesions (9.4%) • Maculopapular ... rash (6.7%) • ... reticularis Differential ... Polyangiitis #GPA #dermatology ... #rash #diagnosis
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
Vulnificus skin infection ... hemochromatosis, hemolytic ... anemia, CKD, hiv ... #dermatology #legs ... #clinical #photo