79 results
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
Endocarditis (IE) Has Negative ... Did they receive antibiotics ... Decreased yield due to antibiotic ... cause of culture negative ... BloodCultures #Diagnosis
Autoimmune Hemolytic Anemia (AIHA) Pathophysiology - Warm vs Cold AIHA
Warm AIHA:
 - 70%; IgG mediated
 -
C3 positive or negative ... mediated - DAT: IgG negative ... Pathophysiology #diagnosis ... #hematology
Spontaneous Bacterial Peritonitis (SBP) - Diagnosis and Management
Ascites PMN > 250/mm3
? Nosocomial or hospital acquired. Recent
Peritonitis (SBP) - Diagnosis ... Recent exposure to antibiotics ... after empirical antibiotic ... Peritonitis #SBP #Diagnosis ... #Management #hepatology
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
- Differential Diagnosis ... AIHA (7-8%) DAT-negative ... #Differential #Diagnosis ... #Table #hematology
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
- Differential Diagnosis ... Anticonvulsants • Antibiotics ... Bacteria • Gram Negative ... #Differential #Diagnosis ... Algorithm #Causes #Hematology
SPICE (SPACE) Organisms
 - Colloquial acronym for gram-negative bacteria that have inducible, chromosomal beta-lactamase genes known
acronym for gram-negative ... to beta-lactam antibiotics ... Pseudomonas #Diagnosis ... AmpC #Resistance #Antibiotics
Expected DAT Results in Autoimmune Hemolysis
DAT Negative Hemolysis
 • DAT Poly ( - ), IgG (
Hemolysis DAT Negative ... Autoimmune #Hemolysis #hematology ... #diagnosis
Approach to Thrombotic Microangiopathy (TMA) - Differential Diagnosis and Management Algorithm

Suspected TMA: Unexplained thrombocytopenia + MAHA
- Differential Diagnosis ... normal • DAT negative ... #Differential #Diagnosis ... Management #Algorithm #hematology
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
cases Drugs (antibiotics ... #Differential #Diagnosis ... #Dermatology #SkinRash
Oroya Fever
Hematologic disease caused by Bartonella bacilliformis
Restricted to the Andes highlands of Peru & Ecuador
B. bacilliformis:
Oroya Fever Hematologic ... bacilliformis: - Gram negative ... Nodular → Mular DIAGNOSIS ... Supportive and antibiotics ... #Oroya #Fever #diagnosis