324 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood ... culture negative ... Eikenella corrodens, Kingella ... febrilepodcast] #BCNIE #Causes ... #culture #negative
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
vs Noninfective Causes ... HACEK • Culture-negative ... epidermidis • Gram-negative ... Enterococcus • Gram-negative ... #Noninfective #Causes
Microbiology Antibiogram - Antibiotic Sensitivities
Gram Positive Cocci
Gram Negative Bacilli
Gram Negative Coccobacilli
Anaerobes
Atypicals

#Antibiogram #Antibiotic #Sensitivity #Susceptibility #table #pharmacology
Positive Cocci Gram Negative ... Bacilli Gram Negative ... Susceptibility #table
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... Drug fever #relative ... #bradycardia #Causes ... infectiousdiseases #table
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
Pleomorphic gram-negative ... Plump gram-negative ... Gram-negative rods ... Gram-negative rods ... Diagnosis #Comparison #Table
Table of Antibiotics for Highly Resistant Gram Negative Infections 

Ceftazidime, Cefepime, Piperacillin/ Tazobactam, Carbapenems, Aztreonam, Aminoglycosides
Table of Antibiotics ... Resistant Gram Negative ... GramNegative #Infections #Table
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
False-Positive False-Negative ... Contingency Table ... who will test negative ... #Contingency #Table
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Differential Diagnosis Table ... AIHA (7-8%) DAT-negative ... Differential #Diagnosis #Table
Who to test for BRCA 1/2?
Female Breast Cancer:
 • ≤ 45-50 years at diagnosis
 • Triple
diagnosis • Triple Negative ... Breast cancer + relative ... cancers in this table ... factors in this table ... or 2nd degree relative
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Proves cause-effect ... 100%, then all negative ... disease who test negative ... proportion of negative ... that are true negatives