44 results
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
Causes of blood culture ... identified with modern culture ... diagnosis #causes #culture ... #Endocarditis #InfectiousDiseases ... #CNIE #BCNIE #cardiology
Echinococcus Life Cycle
1) Adult in small intestine eggs
2) Embryonated egg in feces
3) Oncosphere hatches; penetrates intestinal
LifeCycle #diagnosis #pathophysiology ... #infectiousdiseases ... #cdc #parasite
Leishmaniasis Life Cycle
1) Sandfly takes a blood meal (injects promastigote stage into the skin)
Human Stages:
2) Promastigotes
LifeCycle #diagnosis #pathophysiology ... #infectiousdiseases ... #cdc #parasite
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
having positive cultures ... including blood cultures ... sensitivity of 67% for culture ... neutrophil #WBC #CBC ... #hematology #pathophysiology
Cardiac Rupture with Pericardial Effusion

Apical 4 chamber. Note larger right sided pericardial effusion with significant compression
Cardiac Rupture ... concerning for cardiac rupture ... resuscitated due to DNR CC ... RJonesSonoEM #Rupture ... Echocardiogram #ultrasound #Cardiology
Malaria - Plasmodium Life Cycle
1) Mosquito takes a blood meal (injects sporozoites)
Human Liver Stages
2) Infected liver
lifecycle #diagnosis #pathophysiology ... #infectiousdiseases ... #cdc #parasite
Babesiosis - Babesia Life Cycle
1) Tick takes a blood meal (sporozoites introduced into host)
2) Trophozie ←→
LifeCycle #diagnosis #pathophysiology ... #infectiousdiseases ... #cdc #parasite
Echinostomiasis - Echinostoma Life Cycle
1) Unembroynated eggs passed in feces
2) Embryonated eggs in water
3) Miracidia hatch
LifeCycle #diagnosis #pathophysiology ... #infectiousdiseases ... #cdc #parasite
Emphysematous Cystitis
Epidemiology:
 • Usually middle-aged diabetic women
 • Other RF: neurogenic bladder, urinary tract outlet obstruction,
Pathophysiology: ... • UA and Urine cultures ... may narrow per culture ... pyelonephritis CMC
C.diff - Clostridioides Difficile Infection (CDI) - Diagnosis and Management - GrepMed Handbook

Clinical Presentation + Progression:
Difficile Infection (CDI ... Perforation) Pathophysiology ... x 10d • 1st CDI ... IDSA 2021 CDI ... management #treatment #infectiousdiseases