Microbial Disease of the Cardiovascular System Flashcards
what is septicemia?
Any microbial infection of the blood that produces illness
what is bacteremia?
Bacterial septicemia that is often harmless
toxemia?
release of bacterial toxins into the blood
lymphangitis
infection and inflammation of the lymphatic vessels
what are the symptoms of Septicemia, Bacteremia, and Toxemia?
septic shock, petechiae
what is petechiae
small hemorrhagic lesions
when does osteomyelitis occur?
of bacteria invades the bones
what is septicemia due to?
direct inoculation of bacteria into the blood
what pathogens produce severe septicemia?
gram negative bacteria
what are the symptoms of endocarditis?
fever, malaise, tachycardia
what pathogen causes endocarditis?
viridian streptococci
what are the symptoms of Lyme disease?
bulls eye rash, neurological symptoms, severe arthritis
what pathogen causes Lyme disease?
borelia burgdorferi
how is Lyme disease transmitted?
deer tick
what disease is one of the most restored vector borne diseases in the US?
Lyme disease
what are the symptoms of severe mononucleosis?
sever sore throat and fever, swollen lymph nodes
what pathogen causes mononucleosis?
HHV4
how is mononucleosis transmitted?
saliva– kissing disease
what is the first stage of yellow fever?
First stage – fever, headache, muscle aches, vomited (few days)
what is the second stage of yellow fever?
Second stage – period of remission
what is the third stage of yellow fever?
Third stage – 15% experience delirium, seizures, coma, degeneration of liver, kidneys, and heart, and massive hemorrhaging
what is the pathogen that causes yellow fever?
Caused by yellow fever virus (Genus Flavivirus, Family Flavivirdae)
how’s yellow fever transmitted?
Transmitted via the bite of an infected Aedes mosquito
how do you prevent yellow fever?
Vaccine is available (live-attenuated yellow fever vaccine)
what is a common name for dengue fever?
breakbone fever
what are the symptoms of dengue?
fever and hemorrhagic fever
what are the symptoms of ebola and marburg?
minor petechiae, small hemorrhagic lesions
what are natural hosts of ebola?
bats
how is ebola transmitted?
via contact with bodily fluids of infected individual
what is the mortality rate of ebola?
90 percent
what is the mortality rate of marburg?
25 percent
what are the symptoms of zika?
fever, rash, conjunctivitis
how is zika transmitted?
mosquito bite, sex, lab exposure, blood transfusion
what can zika virus infection during pregnancy cause?
microcephaly (small brain)
where is zika common in?
africa, asia, pacific islands
