lab work Flashcards
what is screening tool for thyroid
TSH
Normal 0.5 - 5 range
TSH is abnormal do what
screen for T3, T4 levels
how do treat patient depends on
TSH
Hypothyroidism levothyroxine/synthoid
elederly 12.5 mg - 25 mcg day
normal person 25 - 5-
when do we recheck what do we do
TSH - recheck level around 6 weeks
when TSH stable check every
6 - 12 months when stable
Hyperthryoidism what
Tapazole
PTU - pregnant first trimester, after first can switch to tapazole
Beta blockers can be used for heart rate, tachycardia and palpations
what are two other treatemtnt for thyroid
thyroidectomy
Radioactive iodine
kidney functions tests
GFR
Creatinine - wast product
BUN
what is normal range of GFR
> 90
Start on dialysis what level start Dialysis
<15
normal creatinine level is
1
Greater than 2 we are concerned
what is normal BUN
10-20
what first line BP med do we want to check BUN/Cr
ACE/Arb
what finding on urinalysis is indicative of true kidney damage
wbc cast
RBC cast
when do we screen for microalbumin
when HTN or DM is first diagnosed
Sx of CKD do not occur usually until
stage 3
Microalbumin range should be less than what
30
most common sx of anemia
fatigue
normal Hemoglobin
12-18
HCT level
3:1
MCV - mean coposcular volume
80-100
low MCV
microcytic anemia - iron def anemia
greatest risk of iron def anemia under one
Cows milk
Macrocytic anemia
> 100 vitamin B12
folate
B12 def anemia we have what sx
neuropathy - parasthesia numbness tingling in hands in feet
What surgery leads to B12 def anemia
gastric bypass surgery
what diabetes med leads to B12 def
metformin
Microcytic anemia
lead - greater than 5
sx of it cognitive delays
3 microcytic anemia
LIT
Lead
Iron
Thalassemia
normal total cholesterol
<200
HDL
40-60
LDL
<100
Trigycerides less than
,150
how often should u order lipid panel
every 5 years
unless have risk factors
Trigycerides greater than 500 what risk for
Pancreatitis
Rhambdomylosis what level is drawn
CK level
Due to statin meds and can damage liver
what drug monitor for PT/INR
coumadin (warfarin0
therapeutic INR is
2-3
antidote to warfarin is
vitamin K
what two labs to evaluate pancrease
amylase and lipase
two labs to evaluate the liver
AST/ALT
what does the BNP tell us about
the heart
which two labs are inflammatory markers
ESR/CRP
when do we use D-dimer
check blood clots
AIC DX WITH DM
> 6.5
RANDOM PLASMA
> 200 WITH SX