When it comes to nursing, understanding the difference between subjective vs objective data can be critical in taking note of the situation and dealing with it at utmost efficacy.
Believe it or not, discerning the difference between subjective and objective data is quite simple, we just make it more complicated when we overthink it! So, without further ado, let’s learn about the differences between subjective vs objective data!
What is Objective Data?
Objective data is the physical data we can observe using our senses. Objective findings come in either a measurement or a direct observation. Objective data cannot be argued, as it is measured and observed through vitals, tests, and physical exams.
Objective data is often easier for many to discern, as there is no gray area, which makes it a simpler concept for many nurses and students to grasp.
Examples of Objective Data Findings:
- Heart rate
- Blood pressure
- Body temperature
- General Appearance
- Levels of consciousness
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What is Subjective Data?
In medicine, a general rule of thumb is that a symptom is subjective, while a sign is objective. Subjective data is going to be information that you receive from the patient or from one of his or her knowledgeable companions. Subjective data is what you are able to pull from the patient such as how they are feeling, what their symptoms are, or what their current concerns are.
This subjective data sometimes takes a backseat to the objective data vitals and numbers, but listening to the patient and getting all the subjective data in their current condition can help you get a full read on the situation and the patient’s story.
One of the most important pieces of subjective data is pain. When a patient comes with symptoms of pain, you know that this pain needs to be addressed, even if there is no objective way to quantify the amount of pain.
Examples of Subjective Data Findings:
- Shortness of breath
- Loss of appetite
- Body aches
- Sore throat
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Examples of Objective and Subjective Data Occurring Concurrently:
To help you understand the differences between subjective vs. objective data, it can help to see situations where they can occur at the same time. Each of these examples include subjective data of the patient telling the nurse about his or her symptoms while the nurse is observing the objective data signs that these symptoms are currently taking place. Let’s look at these examples to make this more clear:
Example 1: A patient says he has a fever and has muscle aches and nausea. He has a flushed appearance and the nurse reads a 102 degree F temperature on the thermometer.
Let’s break out the data from this first example into their objective and subjective findings:
- 102 Temperature
- Flushed appearance
- The patient feels muscle aches
- Patient reports experiencing a fever
Example 2: A patient is clutching her stomach and complaining of nausea, diarrhea, and headache symptoms. The nurse observes her vomiting into the toilet.
- Nurse observes vomiting
- Patient reports feeling nausea
- Patient says she has diarrhea
- Patient reports headache
Example 3: A patient complains of shakiness, especially in his hands. When asked about his symptoms, he mentions that he has lost weight. He currently weighs 187 pounds. While he is on the scale, the nurse can see his hands shaking.
- Patient weighs 187 pounds
- Nurse observes his hands shaking
- Patient reports shakiness
- Patient has reported weight loss over time
Each of these examples show the nurse observing objective data that is closely related to the symptoms, or subjective data, that the patient is saying he or she is experiencing.
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Why Subjective vs Objective Data is Important for Passing the NCLEX
When studying for the NCLEX, you will be tested to demonstrate your knowledge and skills of health screening. This can include performing a health history, health, and risk assessment. This includes both the symptoms a patient says they are currently experiencing as well as the empirical objective data that can be measured by the 5 senses.
Hopefully you’ve learned a bit on how to differentiate subjective vs objective data and you understand the need for observing the patient as well as listening to his or her story and symptoms to paint the best picture of the patient’s current state. Don’t make the mistake of relying too much on numbers, as every patient deserves a nurse to listen to their story and take in the full picture.
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