15 results
Septic Arthritis: Pathogenesis and clinical findings
Notes:
- Septic Arthritis is typically monoarticular & the knee is involved
involved in >50% of cases ... - decr blood flow ... a +ve culture Microbiology ... S.A. can also be caused ... , viruses, and mycobacterium
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood ... whipplei, Fungi (Aspergillus ... febrilepodcast] #BCNIE #Causes ... differential #diagnosis #causes ... InfectiousDiseases #Microbiology
Plasmodium Falciparum Blood Smear.
Key features suggesting Plasmodium falciparum:
- extreme parasitemia
- normocytic RBCs (vivax, ovale prefer big
Plasmodium Falciparum Blood ... P. falciparum causes ... human malaria cases ... peripheral #clinical #microscopy ... #microbiology #
Causes of Pericarditis - Differential Diagnosis Algorithm
Viral:
 • Coxsackie
 • Echovirus
 • Adenovirus
 • Epstein-Barr virus
Causes of Pericarditis ... Differential Diagnosis Algorithm ... Bacterial: • Mycobacterium ... Coccidioides immitis • Aspergillus ... #Causes #Cardiology
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Differential Diagnosis Algorithm ... Red blood cells ... on urine microscopy ... with polyangiitis/microscopic ... #Causes
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Injury - AKI Workup Algorithm ... Investigations: full blood ... dipstick, urine microscopy ... osmolarity If cause ... screen, including blood
My Patient with Infective Endocarditis (IE) Has Negative Blood Cultures
 - Did they receive antibiotics prior
) Has Negative Blood ... therapy - Number one cause ... Fungal (Histoplasma/Aspergillus ... Diagnosis #Management #Algorithm
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Differential Diagnosis Algorithm ... Sjogren's, GPA, EGPA, Microscopic ... : • Complete blood ... • Fecal occult blood
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Hypercoagulable (APLAS) Microbiology ... : Blood cultures ... Tropheryma Whipplei • Aspergillus ... • Blood cultures ... Treat underlying cause
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
CD4 Count: • Mycobacterium ... avium, Mycobacterium ... since cART) Aspergillus ... Chest pain, cough, bloody ... factor • May cause