8 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Rashes- THE ALGORITHMIC ... ; however, an algorithmic ... Figure 4, page 12 ... While all patients ... #Diagnosis #Dermatology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Differential Diagnosis Algorithm ... Megakaryopoiesis • B12 ... ITP • SLE • CLL ... #Causes #Hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... Diagnosis and Workup ... History of bleeding (petechiae ... not required in all ... #Workup #hematology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Differential Diagnosis Algorithm ... hemostasis: - Thrombocytopenia ... deficiency Work ... #Causes #dermatology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
-> AML: Blast crises ... Significant ↓ PLT: Petechiae ... infiltrates (anemia, thrombocytopenia ... #Leukemia #Hematology ... #Oncology #Diagnosis
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... by bleeding (petechiae ... Nutritional: vitamin B12 ... Syndromes #diagnosis #hematology ... #oncology
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
infections/fevers • Thrombocytopenia ... bleeding, and petechiae ... Causes: • Constitutional ... Aplastic #Anemia #oncology ... #hematology #diagnosis
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
full infectious work-up ... days → add fungal work-up ... syndrome): - Hematologic ... Treat underlying cause ... ± tocilizumab; call