← MA / Nurse Tech Curriculum
Level 0Cardiology Clinic Basics

Accurate Vitals and Blood Pressure Technique

Get BP right every time — proper technique, common errors, and which vitals to recheck.

Beginner~10 min

Learning Objectives

  • 1.Measure blood pressure with correct technique.
  • 2.Avoid the common errors that produce false readings.
  • 3.Recognize values worth rechecking and reporting.

Goal

Providers make decisions on the BP you record. A few technique details are the difference between an accurate reading and a falsely high or low one.

Step-by-step (technique)

  1. 1.Patient seated 5 minutes, back supported, legs uncrossed, feet flat.
  2. 2.Bare arm supported at heart level.
  3. 3.Choose the correct cuff size (too small = falsely high).
  4. 4.No talking during the reading.
  5. 5.If high, wait and recheck; count an irregular pulse for a full 60 seconds.

What information to collect

  • •BP (note arm and position), heart rate/rhythm, respiratory rate, temperature, O2 sat, weight/height as needed.

Common errors to avoid

  • •Wrong cuff size; arm below heart level; unsupported arm.
  • •Talking or crossed legs; not resting first.
  • •Recording one high reading without a recheck.

What NOT to do independently

  • •Don’t interpret the BP or adjust meds — record accurately and report abnormal values.

Scope note

Your job is an accurate measurement and reporting, not interpretation or treatment.

Red flags to report immediately

  • •BP ≥180/120, especially with symptoms (chest pain, headache, vision/neuro changes, dyspnea).
  • •Symptomatic low BP / patient feels faint.
  • •Very slow or very fast heart rate with symptoms.

Alert now

A crisis-range BP with symptoms, or a symptomatic abnormal pulse, goes to the nurse/provider right away.

Documentation tips

  • •Record the value, arm used, position, cuff size if relevant, and any recheck.

Checklist

  • Patient rested, positioned correctly, correct cuff.
  • Rechecked high readings.
  • Reported crisis-range or symptomatic values.
  • Documented technique details.

Knowledge Check Quiz

Disclaimer: This content is for educational purposes only. It is not medical advice, does not replace clinical judgment, and is not a substitute for institutional protocols or certified medical interpreters. No patient health information (PHI) should be entered into this application.