ATI Med-Surg 2023 – Must-Know Crash
Sheet
Labs & Values (non-negotiable, always tested)
● Na⁺: 135–145
● K⁺: 3.5–5.0
● Ca²⁺: 9–10.5
● Mg²⁺: 1.5–2.5
● Creatinine: 0.6–1.3
● BUN: 10–20
● Hgb: 12–18
● Hct: 37–52%
● Platelets: 150k–400k
● WBC: 5,000–10,000
● aPTT: 30–40 sec (therapeutic 60–80 sec)
● INR: 2–3 (warfarin)
1
Sheet
Labs & Values (non-negotiable, always tested)
● Na⁺: 135–145
● K⁺: 3.5–5.0
● Ca²⁺: 9–10.5
● Mg²⁺: 1.5–2.5
● Creatinine: 0.6–1.3
● BUN: 10–20
● Hgb: 12–18
● Hct: 37–52%
● Platelets: 150k–400k
● WBC: 5,000–10,000
● aPTT: 30–40 sec (therapeutic 60–80 sec)
● INR: 2–3 (warfarin)
1
