14 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... • Bacterial endocarditis ... #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Causes of Thrombocytopenia ... infiltration: malignancy, infection ... - Autoimmune: SLE ... valve replacement, endocarditis ... Diagnosis #Framework #hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... - Differential ... Autoimmune • ITP • SLE ... Vasculitis • Infection ... #Hematology
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Causes of Isolated ... Neutropenia - Differential ... Antineoplastic Viral Infection ... Bacteria • Gram Negative ... #Hematology
Blood Culture-Negative Infective Endocarditis (BCNIE)
Definition: No etiology found after 3 separate blood cultures remain negative for
Infective Endocarditis ... but important causes ... See charts - ... #Infective #Endocarditis ... #diagnosis #differential
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... procedures - Infection ... test, ANA (e.g., SLE ... Platelet #Disorders #Differential ... #Workup #hematology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... weeks) Can Be Caused ... • Bacterial endocarditis ... aureus • Gram-negative ... arthritis • SLE
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Parenchyma: • Infection ... Kaposi's sarcoma • Rheumatologic ... Goodpasture's, SLE ... regurgitation, Tricuspid endocarditis ... Diagnosis #pulmonary #causes
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
dogs & latter can cause ... bacillus cause ... to meningitis, endocarditis ... Canimorsus #Skin #Rash #dermatology ... #clinical #photo
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Infectious: • Pre-existing ... • Autoimmune (SLE ... • Coagulase-negative ... Septic Emboli Cause ... Marantic (NTBE) Differential