9 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood ... culture negative ... #culture #negative ... #Endocarditis #InfectiousDiseases ... #Microbiology #
Psittacosis 
Pathogen: Chlamydia psittaci - obligate intracellular gram negative
Transmission:
 • Birds are the primary reservoir
 •
intracellular gram negative ... Diagnosis: • Classic ... Chlamydia #psittaci #microbiology ... management #treatment #infectiousdiseases
Doxycycline - Coverage and Indications
 • Staphylococci (S aureus + CoNS)
 • The tick stuff: Borrelia
• "Atypical" causes ... • Acne • Gram-negative ... #Indications #pharmacology ... #microbiology
Considerations for Crystalloids - 0.9% NS vs LR vs Plasma-Lyte
 - Causes hyperkalemia?
 - Safe to
Plasma-Lyte - Causes ... - Causes lactic ... removed- trials were negative ... #Crystalloids #pharmacology ... #indications #comparison
General Bacterial Antibiogram - Antibiotics and Spectrum of Coverage
Make sure you consult your local antibiogram!
VRE -
POSITIVES - GRAM NEGATIVES ... #Antibiotics #Classes ... Susceptibilities #Pharmacology ... #Microbiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics Pharmacology ... to maintain a negative ... contraction force (negative ... Antiarrhythmics #Pharmacology ... #pathophysiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Classification: CLASS ... duration: - CLASS ... contraction force (negative ... Vaughan #Williams #Pharmacology ... #pathophysiology
Menstrual Cycle Physiology: Correlating the Ovarian and Uterine Cycles
Note: Some charts show different relative levels of
show different relative ... of estrogen to negatively ... , progesterone causes ... #OvarianCycle #pathophysiology ... #comparison #endocrinology
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
Hypercoagulable (APLAS) Microbiology ... positive in 90% of IE cases ... aureus, Coagulase-negative ... staphylococci Culture Negative ... Diagnosis #cardiology #infectiousdiseases