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