10 results
Algorithm for Diagnosis of the Petechial / Purpuric Rash

Febrile/Toxic, Palpable: 
 - Meningococcaemia, Disseminated Gonococcal Infection,
Algorithm for Diagnosis ... of the Petechial ... twitter.com/BirksMD #Petechial ... #Purpuric #Petechiae ... #Diagnosis #Dermatology
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Petechial/Purpuric ... Patients with petechiae ... Those with petechiae ... patients with petechiae ... #Petechial #Petechiae
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... lesions called petechiae ... Petechiae Etiology ... ultrasound #Petechial ... #Petechiae #Rash
Algorithm for workup of thrombocytopenia based on observation of the peripheral blood film. 
TTP/HUS indicates thrombotic
Algorithm for workup ... of thrombocytopenia ... purpura/hemolytic ... , Hematology 2012 ... #Differential #Algorithm
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... History of bleeding (petechiae ... or if a primary hematologic ... Diagnosis #Causes #Workup ... #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Differential Diagnosis Algorithm ... Schistocytes, thrombocytopenia ... Differential #Diagnosis #Algorithm ... #workup #hematology
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
Differential Diagnosis Algorithm ... • 12-13 g/dL, ... /uL Initial Workup ... ↑ Destruction (hemolysis ... #hematology #workup
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Anemia Diagnostic Algorithm ... acute blood loss, hemolysis ... (EPO), iron or B12 ... #Diagnosis #Workup ... #Hematology #Microcytic
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 ... - Parvovirus B19 ... • Parvovirus B19 ... Anemia #oncology #hematology
Myelodysplastic Syndromes (MDS)

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