Test 1 Flashcards
Urinalysis changes in underserved urine
Darker Less clear (turbidity) Increased PH, bacteria and nitrites DECREASE: Glucose, ketones, bilirubin, and urobilinogen RBC Lyse WBC and casts disintegrate
Orange urine
Dehydration from fever
Vomiting
Foods
Medication
Black urine
Alkaptonuria, melanin problems
Brownish yellow/green urine
Liver problems
Check bilirubin/urobilinogen
Milky urine
Hyperlipidemia (risk factor for heart disease)
Cholesterol panel
Normal specific gravity of urine
1.015-1.035
Hyposthenuria/hypersthenuria
Isosthenuria
Low/high specific gravity
Fixed SpG at 1.010= end stage of renal failure
Increased specific gravity
Means concentrated urine
Due to…..proteinuria/glucosuria
Dehydration
Decreased renal blood flow (heart failure/renal artery stenosis)
Decreased specific gravity
Means dilute urine
Over hydration (polyuria) Glomerulonephritis (hematocrit/blood casts) Pyleonephritis Diabetes insipidus Renal failure
Fruity/sweet urine scent
Diabetes mellitus
Ketosis
Foul/fishy urine smell
UTI
Normal ph of urine
4.5-7.5
Maintain ph of urine how
Reabsorption of sodium and secretion of hydrogen and ammonium ions
Ph of diet high in animal product? Fruits/veggies?
Animal: acidic
Fruits: alkaline
Acidic pH
- Respiratory acidosis (emphysema)
- Metabolic acidosis (sugars—diabetic)
Diabetes mellitus
When would cranberry juice be recommended for UTI
When the pH is alkaline (7+)
Uric acid stones should be kept ____
Alkaline
Ca+/MgP stones should be kept_____
Acidic
Proteinuria primary indicator of?
Renal disease
What is the screening test for proteinuria?
Dipstick
Positive screening test for proteinuria needs to be followed up with?
SSA
Sulfosalicylic acid
In SSA test what is found where
The supernatant (fluid) is at the top with proteins while WBC/RBC settle to the bottom
Proteinuria because of kidney disease usually indicates an?
UUTI
Physiological reason for proteinuria
Strenuous exercise Cold Pregnancy Dehydration Febrile illness
What should be run on all patients with a 4+ protein
Bence jones protein test
Test for finding a monoclonal immunoglobin in urine is called?
Urine protein electrophoresis. (UPEP) or immunoelectrophoresis
A routine UA does NOT detect ______ electrophoresis or immunoelectrophoresis is better
Bence jones proteins
What is the screening and confirmatory test for MM
Screening: SSA
Confirm: electrophoresis
CRAB. What and who
Multiple myeloma
Elevated calcium
Renal failure
Anemia
Bone lesions
Pathway for OP, lytic mets or MM?
History
Old films
Lab: CBC, ESR, CRP, BCP, UA
Path for Lytic mets
Bone scan
MRI
Biopsy
Path for MM
PEP
Skeletal survey
MRI
Biopsy
In 3% of patients with MM M spike cannot be detected and therefore should haev?
Serum free light chain assay
MGUS
M< 3g (small m spike)
Plasma cells < 10%
No CRAB
Smoldering MM
M protein > 3
Plasma cells >10%
No CRAB
MM
M protein > 3
Plasma cells >10%
CRAB
What is the normal rental threshold value until glucose starts spilling into urine
140-180mg/dl
Ketones due to
Lack of available sugar getting into the cells due to lack of insulin
Byproduct of fat metabolism
Conjugated bilirubin means what
Liver or post liver issue
Conjugated in liver
May see in urine
Unconjucated bilirubin means what
Pre liver
Cannot be in urine
A positive test for urine bilirubin confirms that any raised _____ levels are from _____ hyperbilirubinemia
Plasma
Conjugated
Normal urobilinogen levels
0.1-1.0
Increased urobilinogen seen withwhat
Anything that increases bilirubin increases it.
Liver disease and hemolytic conditions
Increased urobililinogen causes
RBC breakdown
Decreased liver function
Liver cirrhosis
Low urobilinogen due to
Failure of bile production
Obstruction of bile
Urobilinogen: < 1
Bilirubin: -
Normal
Urobilinogen: increased
Bilirubin: +
Biliary disease or liver
Urobilinogen: decreased/none
Bilirubin: +
Biliary obstruction
Urobilinogen: increased
Bilirubin: none
Prehepatic disease/hemolytic anemia
What is the main cause of biliary obstruction
Gallstones
Treatment for gallstones
Wait and see
Liver enzyme function test. If normal: nothing.
If abnormal: concurrent care
Hematuria due to
Kidney or bladder stones Damage to kidney or urinary tract Menses Trauma 1/3 childhood= idiopathic
Myoglobinuria due to
MI
Muscle damage
What does increased WBC mean
Infection
Inflammation
Almost all renal and urinary tract disease
What does increased RBC mean
GMN/PN Lower UTI Trauma Systemic Renal disease
Nitrites mean?
Screening for UTI
May suggest E. coli
What AA indicate severe liver disease
Tyrosine
Leucine
Cysteine
Epithelium (renal cell) indicated what
Kidney disease (flank pain)
What may indicate contamination
Bacteria
Epithelial cells with no other bacterial findings
Bacteria and epithelial cells with no other bacterial findings indicates what
Contamination
Mucus findings indicate?
Only significant with other findings
Usually means infection
Proteins indicate
Upper urinary tract problem
RBC cast
Glomerulonephritis
WBC cast
Pylonephritis
RBC indicates what
Bleeding in the nephron
Glomerulonephritis
No organism in kidney (usually immune related)
What illness is associated with glomerulonephritis
Strep throat
What is elevated in post streptococcal glomerulonephritis?
Antistreptolysin O titer
Upper UTI
Casts Protein Cloudy Hazy Flank pain WBC
Casts Protein Cloudy Hazy Flank pain WBC
Upper UTI
Lower UTI
WBC
Mucous
Blood
Lower back/pubic pain
NO CAST/PROTEIN