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Head-to-toe assessment and vital signs

How to assess hydration status

Other platforms explain it with text and video. In Making Synapses you practice it on the patient.

MD / DOPANursing (NCLEX)EMS (NREMT)

No single sign tells hydration. Put several together.

Step by step

  1. History

    Intake, vomiting, diarrhea, urine output, thirst. [1]

  2. Vital signs

    Fast pulse, low blood pressure, orthostatic drop. [1]

  3. Mouth and eyes

    Dry mouth and lips, sunken eyes. [1]

  4. Skin

    Turgor under the collarbone, capillary refill. [1]

  5. Urine and weight

    Color, amount, daily weight change. [1]

  6. Overload signs

    Edema, crackles, raised neck veins. [1]

Common errors

Practice it in Making Synapses

In Making Synapses you do this on the patient, not on paper: every step goes on the checklist with a score, and in Teach mode Blocky tells you what comes next.

Making Synapses cases that train this skill

30 Making Synapses cases train this skill: open the case library

Sources

  1. Open RN, Nursing Skills 2e (Chippewa Valley Technical College) (CC BY 4.0)
  2. OpenStax, Clinical Nursing Skills (reference)

Steps adapted from Open RN, Nursing Skills 2e (Chippewa Valley Technical College), licensed under CC BY 4.0. Facts and steps also follow OpenStax, Clinical Nursing Skills (reference). Making Synapses is not affiliated with these organizations. Updated: 2026-10-11.