GFR
Item
gfr < 60 ml/min/1.73m2. gfr will be adjusted by a correction factor as reported by our laboratory for patients self identifying as black.
boolean
C0017654 (UMLS CUI [1])
Age, Diabetes mellitus, Congestive heart failure, Hypertension
Item
> 18 years and have at least one of the following risk factors for contrast nephropathy: diabetes (type 2), congestive heart failure, hypertension (> 140/90), or age > 75.
boolean
C0001779 (UMLS CUI [1])
C0011849 (UMLS CUI [2])
C0018802 (UMLS CUI [3])
C0020538 (UMLS CUI [4])
Enrollment
Item
both inpatients and outpatients will be offered enrollment.
boolean
C2348568 (UMLS CUI [1])
Informed consent
Item
patients unable to give consent
boolean
C0021430 (UMLS CUI [1])
Sodium bicarbonate solution
Item
already receiving sodium bicarbonate solution
boolean
C1247968 (UMLS CUI [1])
Emergency cardiac catheterization
Item
undergoing emergency cardiac catheterization
boolean
C0018795 (UMLS CUI [1,1])
C1298802 (UMLS CUI [1,2])
Contrast agent
Item
receiving a contrast agent other than oxilan
boolean
C0009924 (UMLS CUI [1])
Hemodialysis
Item
on hemodialysis
boolean
C0019004 (UMLS CUI [1])
Recent exposure to contrast
Item
recent exposure to contrast within 2 days
boolean
C0332157 (UMLS CUI [1,1])
C0009924 (UMLS CUI [1,2])
Pulmonary edema
Item
pulmonary edema
boolean
C0034063 (UMLS CUI [1])
Congestive heart failure
Item
active congestive heart failure
boolean
C0018802 (UMLS CUI [1])
valvular abnormality
Item
severe valvular abnormality
boolean
C0241654 (UMLS CUI [1])
Renal failure
Item
recent significant change in kidney function (> 15% over 2d)
boolean
C0035078 (UMLS CUI [1])
Single kidney
Item
one kidney
boolean
C1849176 (UMLS CUI [1])
Kidney transplant status
Item
kidney transplant status
boolean
C0022671 (UMLS CUI [1])