Understanding Pulse Assessment for Student Nurses
Learn how pulse assessment can provide information about circulation, why rate alone is not enough and how changes in rhythm, character, symptoms and clinical context can help identify deterioration.
What are you assessing when you check a pulse?
Pulse assessment provides information about cardiovascular function, but the finding should always be interpreted alongside the patient's overall clinical condition.
How fast is the pulse?
Pulse rate provides useful information when compared with previous measurements, symptoms and the wider physiological picture.
Is it regular?
Consider whether beats occur regularly or whether there appears to be variation or irregularity.
What does it feel like?
When appropriate and within your competence, consider whether the pulse feels strong, weak or different from previous assessments.
Assess the pulse systematically
Check the patient first
Observe how the patient looks and ask about symptoms before focusing solely on the monitor or pulse reading.
Assess rate
Measure pulse rate accurately according to local practice and compare it with previous observations.
Consider rhythm
Identify whether the pulse appears regular or irregular and communicate a new rhythm change appropriately.
Consider character
When appropriate, note whether the pulse feels noticeably weak, strong or different from previous assessment.
Connect other observations
Consider blood pressure, respiratory status, oxygen saturation, temperature, consciousness and peripheral perfusion.
Escalate significant change
New pulse abnormalities accompanied by deterioration should be communicated according to local escalation procedures.
Fast and slow pulses need clinical context
Tachycardia
A faster pulse can occur during exercise or anxiety but can also accompany pain, fever, dehydration, bleeding, infection, physiological stress or cardiovascular problems.
Bradycardia
A slow pulse may be normal for some people but can be significant when new or associated with dizziness, collapse, reduced consciousness or other deterioration.
Direction matters
A pulse changing progressively over repeated observations may provide more information than one isolated measurement.
Recognising regular and irregular rhythms
Pulse rhythm describes whether the beats occur at consistent intervals. A newly irregular pulse may require further clinical assessment.
Consistent timing
Beats appear evenly spaced. Continue to interpret the pulse alongside rate and the patient's wider observations.
Variable intervals
The intervals between beats appear inconsistent. A new irregularity should be reported and assessed appropriately.
Compare with baseline
Some patients have a known irregular rhythm. Establish whether the current finding is expected or represents a change.
What else should you assess?
| Finding | Why it matters | Connect it with |
|---|---|---|
| Pulse rate | Shows whether the pulse has become faster or slower. | Baseline, temperature, symptoms, blood pressure and trend. |
| Pulse rhythm | May identify a new irregularity requiring assessment. | Symptoms, history, ECG assessment when clinically indicated. |
| Blood pressure | Helps build the circulatory picture. | Pulse, perfusion, consciousness and symptoms. |
| Peripheral perfusion | Provides information about circulation to the tissues. | Skin temperature, colour, pulse and blood pressure. |
| Consciousness | A new change may indicate wider physiological deterioration. | ABCDE, blood glucose when appropriate and NEWS2. |
| Symptoms | The patient's experience can significantly alter concern. | Chest pain, breathlessness, dizziness, weakness or collapse. |
When a pulse change becomes more concerning
- New pulse abnormality with chest pain or significant chest discomfort.
- Pulse change accompanied by severe breathlessness.
- New pulse abnormality with dizziness, syncope or near-syncope.
- Pulse change accompanied by falling blood pressure.
- New confusion or reduced responsiveness with circulatory abnormalities.
- Cool, pale or mottled skin with worsening cardiovascular observations.
- Rapid deterioration across repeated observations.
- Pulse abnormality in a patient who appears seriously unwell.
A patient's pulse suddenly becomes faster
Example
A patient who was comfortable earlier tells you they now feel dizzy and weak.
Their pulse is substantially faster than on previous observations, they look pale and their blood pressure has fallen from baseline.
The pulse rate alone does not identify the cause, but the combination of tachycardia + symptoms + pallor + falling blood pressure suggests cardiovascular deterioration requiring prompt assessment.
You begin an ABCDE assessment and escalate the deterioration according to local procedures.
A patient's pulse feels irregular
Example
During routine observations you notice that a patient's pulse appears irregular.
They tell you they feel slightly light-headed and say their heart feels as though it is βflutteringβ.
Rather than trying to identify the rhythm yourself, you complete an appropriate assessment, compare with previous observations and report the new finding and symptoms to the registered nurse.
The useful communication is: what you found, whether it is new, what symptoms are present and what the other observations show.
Record more than the number
Good documentation makes it easier for other clinicians to understand what was observed and whether the patient's condition is changing.
- Record the pulse rate accurately.
- Document rhythm where this forms part of local assessment practice.
- Record associated symptoms.
- Document relevant blood pressure and wider observations.
- Compare with previous observations where appropriate.
- Record who was informed when a concerning change was escalated.
- Document further action according to local policy.
Pulse assessment errors to avoid
- Recording a pulse rate without looking at the patient.
- Assuming every fast pulse has the same cause.
- Assuming a slow pulse is harmless without checking symptoms and baseline.
- Ignoring a newly irregular pulse.
- Focusing on one observation instead of the ABCDE picture.
- Failing to compare with previous readings.
- Trying to identify a specific cardiac rhythm from palpation alone.
- Waiting for severe deterioration before communicating concern.
Feel β assess β compare β connect β escalate
Rate, rhythm and context
Assess the pulse accurately and identify whether there has been a meaningful change.
Build the bigger picture
Connect the pulse with blood pressure, perfusion, symptoms, consciousness and the patient's baseline.
Escalate significant change
Describe what has changed and why you are concerned rather than attempting to diagnose the cause.
A pulse becomes useful when you connect it with the patient
Accurate pulse assessment is one part of cardiovascular assessment. The clinical value comes from recognising change and connecting that finding with symptoms, blood pressure, perfusion and the wider ABCDE picture.
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