13 results
Algorithm for Diagnosis of the Petechial / Purpuric Rash

Febrile/Toxic, Palpable: 
 - Meningococcaemia, Disseminated Gonococcal Infection,
Petechial / Purpuric Rash ... , Palpable: - ... , Non-palpable ... Petechiae #Purpura #Rash ... Algorithm #Diagnosis #Dermatology
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias ... Algorithm Signs of anemia ... Hypersplenism, Infection, Toxic ... #Hemolytic #Anemias ... Diagnosis #Algorithm #hematology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
• Fever • Toxic ... medication Febrile, Toxic ... Patient: • Palpable ... Endocarditis • Non-Palpable ... Algorithm #Causes #dermatology
Causes of Hemolytic Anemia - Differential Diagnosis
Inherited
 • Membrane
 • Internal
    - Hemoglobin
Causes of Hemolytic Anemia ... Infectious - Toxic ... #Hemolytic #Anemia ... Diagnosis #Causes #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
CAUSES OF NON-PALPABLE ... - Hemolytic anemia ... Differential #Diagnosis #hematology ... #rheumatology # ... #dermatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... infection Malar rash ... Crohn's disease Palpable ... Sarcoidosis #dermatology ... differential #diagnosis #rheumatology
Iron Deficiency Anemia (IDA)
Tests:
 • MCV/RBC - RBC ↓ in proportion to the ↓ in hemoglobin
Iron Deficiency Anemia ... transferrin is capable ... Iron #Deficiency #Anemia ... Fe #diagnosis #hematology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
• Petechiae, Palpable ... Maculopapular rash ... • Petechiae • Palpable ... #rash #diagnosis ... #rheumatology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Megakaryopoiesis • Aplastic Anemia ... • Toxic Damage ... Algorithm #Causes #Hematology
Iron Deficiency Anemia - Differential Diagnosis Algorithm

Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR

 • Blood loss:
Iron Deficiency Anemia ... blocker, H. pylori, Atrophic ... Iron #Deficiency #Anemia ... Algorithm #ferritin #hematology