Flashcards in UTIs I and II Deck (68)
What is the most common cause of all UTIs?
What is the second most common cause of UTIs?
What is the third most common cause of UTIs?
What is proteus mirabilis?
Urease positive enterobe
What do urease positive bacteria do?
Convert urea to carbon dioxide and ammonia causing alkalization of urine
What stones form in alkaline urine?
What is the most important risk factor on bacteria for UTIs?
Most common E. coli to cause UTI?
Uropathogenic E. coli (UPEC)
What causes most UTI in men?
Why don't you use urine in a catheter bag?
Bacteria multiply in the urine and human cells disintegrate in the urine
What are the three lower UTI symptoms of irritation?
Dysuria: burning pain
Frequency of micturition
Why aren't antibodies produced in lower UTIs?
It is a superficial infection
Important symptoms in an upper UTI?
Lower back pain
What often causes renal abscesses?
What drugs do you give for upper and lower respectively?
Upper: non-oral (vomiting)
What is pyuria?
Pus cells in the urine
What threshold of bacteriuria denotes a UTI?
100,000/mL of urine
What does one bacteria predominating the urine suggest?
What does more than one bacteria making up the 100,000/mL?
Contamination of the sample somehow not necessarily an UTI
What can cause sterile pyuria?
What type of stones does proteus mirabilis cause?
Struvite and calcium carbonate
What does the oxidase test distinguish between?
Enterobes (negative) and pseudomonas (positive)
What is found in all enterobes?
Nitrate reduction (nitrate to nitrite)
What can a urease test distinguish between?
E. coli and Proteus mirabilis
What are the lactose fermenters?
What color are the lactose fermenters on McConkey agar?
What is staphylococcus' coagulase test?
What is streptococcus' coagulase test?