43 results
Oroya Fever
Hematologic disease caused by Bartonella bacilliformis
Restricted to the Andes highlands of Peru & Ecuador
B. bacilliformis:
Oroya Fever Hematologic ... disease caused ... intracellular, Aerobic - Cocci ... Inflammation: high fever ... Peripheral smear - Cocci
Anaplasma Infection - Anaplasma phagocytophilum
Pathophysiology: 
 • Obligate, intracellular bacteria
 • Transmitted via blacklegged tick —
after bite • Fever ... is rare (< 10% cases ... ), cough (30% cases ... Infection #diagnosis #microbiology
Systolic Murmurs - Differential Diagnosis Algorithm
Benign / Flow / Hyperdynamic:
 • Pregnancy
 • Fever
 • Anemia
Supravalvular
Pregnancy • Fever ... • Rheumatic Fever ... • Rheumatic Fever ... Systolic #Murmurs #Cardiology ... Diagnosis #Algorithm #causes
Hantavirus
Pathogen: Hantavirus - Rodents are the primary reservoir
Transmission:
 • Shed in the urine, feces, saliva of
barns and lake houses ... • Prodrome: fever ... chills, myalgias, nausea ... management #treatment #microbiology
Primary and Secondary Causes of Mitral Regurgitation
Primary (organic) chronic mitral regurgitation:
 • Leaflet: Rheumatic fever, Infective
and Secondary Causes ... Leaflet: Rheumatic fever ... annulus: Rheumatic fever ... differential #diagnosis #cardiology ... #causes #primary
Arrhythmias - Differential Diagnosis Algorithm
May present as: palpitations, dizziness, syncope, chest discomfort
Cardiac Causes:
 - Structural
discomfort Cardiac Causes ... ) Non-Cardiac Causes ... Anemia • Fever ... #Arrhythmias #Cardiology ... Diagnosis #Algorithm #causes
Doxycycline - Coverage and Indications
 • Staphylococci (S aureus + CoNS)
 • The tick stuff: Borrelia
• "Atypical" causes ... Bartonella, Q fever ... #pharmacology #microbiology
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
most frequently caused ... The other cause ... cough and some fever ... #Clinical #Radiology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... Fever/Chills/Joint ... (8%) - Gm - cocci ... Acute rheumatic fever ... Knee #Effusions #causes
Guide to Interpretation of Positive Blood Cultures

I arrange the potential Gram stain results that one can
rods, Gram(–) cocci ... Gram(+) cocci are ... Fewer positive cultures ... shaped GPR, these clues ... Interpretation #Laboratory #Microbiology