17 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood ... negative infective endocarditis ... Tropheryma whipplei, Fungi ... culture #negative #Endocarditis ... InfectiousDiseases #Microbiology
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Streptocccus Pneumoniae Microbiology ... • Most common cause ... media • Important cause ... peritonitis, and endocarditis ... Specificity of 97%) Treatment
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Hypercoagulable (APLAS) Microbiology ... positive in 90% of IE cases ... Cerebral > Splenic, pulmonary ... Septic Emboli Cause ... Treat underlying cause
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Ebola, Dengue), Fungal ... regurgitation, Tricuspid endocarditis ... Differential #Diagnosis #pulmonary ... #causes
Invasive Aspergillus (IA) - Diagnosis and Management
Aspergillus is ubiquitous in nature. Most invasive infections are caused
infections are caused ... presentations: • Pulmonary ... Endophthalmitis, Endocarditis ... this morphology Treatment ... #fungal #infectiousdiseases
Leptospirosis
Pathogen: Leptospira (interrogans, kirschneri, noguchii)
Risk Factors:
 • Occupational exposure - Farmers, ranchers, trappers, veterinarians
 • Recreational
non-productive cough, nausea ... failure • Severe pulmonary ... Leptospirosis #Leptospira #microbiology ... #diagnosis #treatment
Causes of Antibiotic Failure - Differential Diagnosis Framework
Diagnosis:
 • Non-Infectious: Malignant, Autoimmune, Drug-related (NMS, serotonin syndrome,
Causes of Antibiotic ... bacteria: Viral, Fungal ... Immunocompromise Treatment ... lines, osteo, endocarditis ... • Secondary to Treatment
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... hemorrhage • Treatment ... Prevotella • Fungal ... Lung #Abscess #pulmonary ... #differential #causes
Empyema Necessitans (EN) on Chest Wall Physical Examination

Pulmonary teaching case: you are called to the bedside
Examination Pulmonary ... teaching case: ... most common) - Fungus ... Fusobacterium Treatment ... clinical #video #pulmonary
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Causes of Lactate ... / hypoxemia -> focus ... perfusion - shock->treatments ... before beginning treatment ... output - Acute pulmonary