2925 results
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Causes of Isolated ... Septicemia • Gram ... Positive Bacteria • Gram ... Diagnosis #Algorithm #Causes
HACEK is the acronym commonly used to describe and help doctors to remember a group of
of fastidious Gram-negative ... which can also cause ... endocarditis is caused ... endocarditis is caused
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
vs Noninfective Causes ... epidermidis • Gram-negative ... Enterococcus • Gram-negative ... #Noninfective #Causes
Transplant Infections Timeline
Pre-transplant:
 • Common bacteria (endogenous): Staphylococci (skin), Gram-negative bacilli (gut)
 • Viruses: HSV (reactivation)
Engraftment:
Staphylococci (skin), Gram-negative ... Staphylococci (skin), Gram-negative ... differential #diagnosis #causes
Corynebacterium diphtheriae on Culture and Microscopy
Corynebacterium diphtheriae, the cause of vaccine-preventable diphtheria.

Matching name to features:
"Coryne" (korune)
diphtheriae, the cause ... korune) "club" (see gram
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Adenoma, BAH, AME, GRA ... mineralocorticoid excess; GRA ... Algorithm #Nephrology #Causes
Doxycycline - Coverage and Indications
 • Staphylococci (S aureus + CoNS)
 • The tick stuff: Borrelia
• "Atypical" causes ... Malaria • Acne • Gram-negative
Actinotignum schaalii on Culture and Microscopy
- Gram positive facultative anaerobic coccobacili
 - 4 of 4 sets,
and Microscopy - Gram ... growing short Gram ... and occasional cause ... the clearly the cause
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Microbiology: Gram ... • Most common cause ... media • Important cause
Salmonella Aspiration on Microscopy

66 y/o male with history of coronary artery disease presents with abdominal pain.
Gram stain of aspiration ... A classic case! ... Is a major cause