Shared Flashcard Set

Details

PDCI Exam 8
Exam 8 Material
88
Medical
Graduate
02/09/2011

Additional Medical Flashcards

 


 

Cards

Term
What is the diagnostic criteria for acute renal failure?
Definition
50% increase in baseline value of creatinine or an increase of at least. 5 mg/dL/ also can pertain to a 50% decrease in the GFR
Term
What is the definition of oliguria? anuria?
Definition
urine output <500 ml in 24; anuria is an urine output < 100 ml in 24 hr
Term
Name two medicines that interfere with creatinine secretion?
Definition
trimethoprim and cimetidine
Term
Name three medications that interfere with creatinine assay?
Definition
cefoxitin/ flucytosine/ acetoacetate
Term
How do changes in the GFR relate to changes in creatinine?
Definition
changes in the GFR precede changes in creatinine level by at least 24 hours
Term
What type of acute renal failure is most common in hospital settings?
Definition
intra-renal acute failure
Term
The majority of cases of acute renal failure cases in the hospital feature what specific pathology?
Definition
acute tubular necrosis
Term
In prerenal failure, what is the FENa value?
Definition
Less than 1
Term
What is the BUN-Cr ratio in prerenal failure? intrarenal failure?
Definition
> 20; <10
Term
A larged distended abdomen to due to bowel obstruction sounds like what during auscultation?
Definition
high-pitched/tinkling sounds
Term
A sigmoid volvulus looks like what on a X-ray film?
Definition
kidney bean
Term
What enzyme marker is a good indicator of a gallstone in the bile duct?
Definition
alkaline phosphatase
Term
A person who is supine with his hips flexed and very still probably has what?
Definition
psoas irritation
Term
What are two ways a person with peritonitis can present as?
Definition
an immobile board-like structure or in the fetal position
Term
How can NSAID use lead to pre-renal ARF?
Definition
NSAID's inhibit prostaglandin synthesis, which means the afferent arteriole is constricted by AT II.
Term
In which people is calculating FeNa ineffective?
Definition
In normal peeing patients (test designed for oliguric and anuric patients)
Term
In patients with metabolic acidosis, instead of sodium what serves as a more accurate marker of urine output?
Definition
urine chloride
Term
How do diuretics affect the FeNa value?
Definition
The value will be high
Term
What are the three types of ATN (acute tubular necrosis)?
Definition
ischemic, sepsis, and nephrotoxic
Term
How does someone with ischemic ATN usually end up that way in the hospital
Definition
were pre-renal for a long time and not taken care of
Term
What are the four classes of compounds that commonly cause nephrotoxic ATN?
Definition
radiocontrast agents, aminoglycosides, amphotericin B, and chemotherapeutics
Term
What percentage of patients on aminoglycosides are likely to get renal failure? How long were they on it?
Definition
30%/ at least 5 days of treatment
Term
For different aminoglycosides, what factor lessens one's nephrotoxicity relative another?
Definition
the number of amino groups
Term
How does alkalinizing the urine decrease aminoglycoside nephrotoxicity?
Definition
It raises the pH and decreases aminoglycoside uptake by the proximal tubule
Term
What is the most common reason of hospital-acquired acute kidney failure?
Definition
radiocontrast (usually happens 2-3 days later)
Term
For people with rhabdomyolysis, how does myoglobin in the urine present?
Definition
Brownish color/ granular casts/ myoglobin present in both the urine and the serum
Term
What is the main treatment for rhabdomyolysis?
Definition
fluids replacement
Term
For people with atheroembolic disease, what do you want to avoid?
Definition
anticoagulants (can make the plaques more unstable)
Term
How does a person with abdominal compartment syndrome typically present?
Definition
distended abdomen and oliguria
Term
What is the diagnostic criteria for abdominal compartment syndrome as it pertains to the bladder?
Definition
exclude if pressure < 10 mmHg/ diagnostic if pressure > 25 mmHg
Term
What are the five main indications for dialysis?
Definition
acidosis, electrolyte abnormaliteis, ingestions, overload (fluid), and uremic symptoms
Term
Granular casts are 100% diagnostic of what?
Definition
acute tubular necrosis
Term
In chronic kidney disease, how long does the creatinine level have to be elevated?
Definition
3 months
Term
With chronic kidney disease, does there need to be decline in kidney function?
Definition
no
Term
What is the leading cause of CKD?
Definition
Diabetes (40% of cases)
Term
What is the gold standard for measuring GFR?
Definition
125 iothalmate
Term
What is the con of using the Cockgroft-Gault formula?
Definition
Needs lean-body people (difficult in fatties)
Term
For people older than 65 years, what formula is best for GFR calculation?
Definition
MDRD (CG formula for those 65 years)
Term
For patients who are anemic, what is their GFR typically?
Definition
 30-60 ml/min
Term
For patients with renal failure, what is the hypoglycemic drug of choice?
Definition
glipizide
Term
When the hydroxyvitamin D is low, what is the next step?
Definition
give oral ergocalciferol
Term
What CCB do you want to avoid in people with CKD?
Definition
dihydropyrodine
Term
How does the GFR rate influence what kind of diuretic we want to give?
Definition
If GFR > 30, give the thiazide; if GFR <30 give the lasix
Term
What is the source in initial hematuria/ terminal hematuria?
Definition
urethra/ neck of bladder
Term
What lower urinary tract symptoms are considered irritative symptoms?
Definition
frequency, urgency, dysuria, and nocturia
Term
What sort of symptoms present with BPH?
Definition
irritative and/or obstructive symptoms
Term
What is the definition of premature ejaculation?
Definition
orgasm within 1 minute of intercourse w/ inability to delay
Term
For a patient with hematospermia, what do we normally do?
Definition
Prostate exam and check the PSA
Term
How much volume of fluid inside the bladder does there need to be in order for it to be palpable?
Definition
150 cc
Term
Along with a penile carcinoma, what other feature is typically palpable?
Definition
inguinal lymphadenopathy
Term
How does the urine collection vary for men and women?
Definition
for accuracy sake, we want mid-stream collection in men and catheter collection in women
Term
What drug is associated with orange urine?
Definition
phenazopyrodine
Term
What are the four common reasons of increased SG?
Definition
proteinuria, decreased fluid intake, contrast, and SIADH
Term
With renal tubular acidosis, what is type II due to?
Definition
failure to reabsorb bicarbonate
Term
What is the normal excretion range of protein in the urine for adults?
Definition
80 to 150 mg
Term
For testing proteinuria, what are some ways that can generate a false negative test?
Definition
if the urine is alkaline or if it is too dilute
Term
For doing ketone urinalysis, what are some scenarios that generate a false positive?
Definition
urine with high SG, abnormally colored  urine, or very acidic urine
Term
What possible cancer risk exists with COCP use?
Definition
sligh increase in adenocarcinoma of the cervix with prolonged COCP use (> 12 years)
Term
What two drugs increase the failure rate of OC's?
Definition
rifampin and cyclophosphamide
Term
Which progestin shows the greatest increase in SHBG?
Definition
Desogestrel (may switch to norethindrone or levonorgestrel if libido drop is too much)
Term
Typically any sort of gynecological malignancy is contraindication to OC use. Which one is the exception?
Definition
SCC of the cervix
Term
What is the dosage regimen of mini-pills?
Definition
Must be taken every day
Term
After depo-provera therapy is withdrawn, what is the typical period of return to fertility?
Definition
9-12 months
Term
What black box warning does depo-provera carry?
Definition
osteopenia (recommendation to take exogenous calcium supplements with depo-provera)
Term
What physical limitation is there to implanon?
Definition
effective only for women up to 130% of their IBW.
Term
What is the main mechanism of action for post-coitus contraception pills (morning after pills)?
Definition
increase tubal motility so that the conceptus arrives in the uterine cavity before there is adequate glycogen to support therapy
Term
Why do most women discontinue IUD therapy?
Definition
increased or irregular bleeding
Term
Which IUD can decrease menstrual flow by up to 60%?
Definition
mirena
Term
What is the most effective mode of contraception to prevent STD transmission?
Definition
condoms
Term
How is spermicide applied to the diaphragm or cervical cap?
Definition
spermicide applied after diaphragm or cervical cap is inserted
Term
What spermicide is commonly used in many chemical barriers and when must it be used?
Definition
nonoxynol-9/ 20-60 minutes prior to intercourse
Term
How long can the sperm remain viable after coitus?
Definition
up to 48 hours (ovary viable up to 24 hours)
Term
When is a tubal ligation typically?
Definition
in the immediate post-partum period or anytime after the 6 week  postpartum exam
Term
What is the success rate of tubal ligation?
Definition
50-75%
Term
At what degree of prolapse is the uterus at the introitus?
Definition
second-degree prolapse
Term
Where is the pilonidal cyst usually located?
Definition
in the midline superficial to the coccyx or the lower sacrum
Term
What are external hemorrhoids?
Definition
dilated hemorrhoidal veins that originate below the pectinate line and are covered with skin
Term
If the rectum prolapses through the anus, how does it typically look?
Definition
as a doughnut or rosette of red tissue
Term
What is the origin of the rectal shefl?
Definition
widespread peritoneal metases from any source that may develop in the area of the peritoneal reflection anterior to the rectum
Term
What percentage of women experience menorrhagia?
Definition
9-14%
Term
How is menorrhagia defined?
Definition
Prolonged (more than 7 days) or excessive (greater than 80 ml) uterine bleeding occurring at regular intervals
Term
What is the definition of amenorrhea?
Definition
No menses for at least 6 months
Term
What is the treatment for hyperprolactinemia?
Definition
dopamine agonists
Term
What is the benefit of oral contraceptives with regard to coagulation/
Definition
Increase Factor VIII and suppress ovulation and decrease endometrial thickness so less blood loss
Term
What is the most common cause of reproductive age abnormal uterine bleeding?
Definition
accidents of pregnancy
Term
Prolonged use of low OC's can lead to what?
Definition
Endometrial atrophy
Term
What two elements are key to defining PCOS?
Definition
ovulatory dysfunction and androgenic hyperfunction
Term
Describe the normal course of the BBT?
Definition
Lower during the follicular phase/ rises 0.4-0.8 F at ovulation, drops slightly and remains slightly higher than the follicular phase for the remainder of the cycle
Supporting users have an ad free experience!