Health High School

A patient's heart rate increased from 94 to 164 beats/min. What will the nurse expect?
a. Increase in diastolic filling time
b. Decrease in hemoglobin level
c. Decrease in cardiac output
d. Increase in stroke volume

Answers

Answer 1

When a patient's heart rate increases from 94 to 164 beats/min, the nurse will expect an increase in stroke volume. The answer is d.

A stroke volume (SV) is a volume of blood pumped by the left ventricle of the heart during a single contraction. The stroke volume can be calculated by subtracting the end-systolic volume from the end-diastolic volume.The heart rate of a patient refers to the number of times their heart beats per minute. It's one of the most crucial vital signs to observe. When a patient's heart rate increases to 164 beats per minute, it means that the heart is functioning faster than usual.

When this occurs, the body increases the amount of blood it pumps out of the heart with each heartbeat in order to maintain blood pressure and blood flow throughout the body.Increasing the stroke volume will be expected. The stroke volume is the volume of blood pumped out of the heart by the left ventricle during each beat. When a patient's heart rate is elevated, the stroke volume must increase in order to preserve cardiac output and blood pressure. This happens by allowing more blood to be ejected from the heart with each heartbeat, increasing the amount of blood pumped out of the heart per minute. Therefore, the answer is d. Increase in stroke volume.

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Related Questions

There is near universal agreement in healthcare on the need for quality. Yet, medical errors annually kill more in the US than the wars in Viet Nam, Iraq, and Afghanistan combined. Why is quality in healthcare so elusive? Base your observations on scholarly research. This is not an exchange of opinions, rather informed conclusions based on facts and content identified in research.

Answers

Quality in healthcare is often elusive despite near universal agreement on its importance. One reason for this is the complexity of the healthcare system itself.

Healthcare involves multiple stakeholders, including patients, doctors, nurses, administrators, and insurance companies, each with their own priorities and goals. Coordinating and aligning these different interests to prioritize quality can be challenging.

Another factor contributing to the elusiveness of quality in healthcare is the lack of standardized processes and protocols. Inconsistent practices and variations in care can lead to errors and compromised quality. For example, different hospitals may have different protocols for administering medication or conducting surgeries, leading to variations in outcomes.

Additionally, the inherent risks and uncertainties in healthcare pose challenges to ensuring quality. Medical decision-making involves complex diagnostic processes and treatment options, which can introduce errors or variations. Furthermore, the human factor plays a role, as healthcare professionals can make mistakes or face limitations in knowledge and skills.

Furthermore, the volume and complexity of healthcare data pose challenges in ensuring quality. With the increasing use of electronic health records, there is a wealth of data available, but effectively utilizing and analyzing this data to improve quality can be difficult. Additionally, privacy concerns and data security issues may hinder data sharing and collaboration for quality improvement initiatives.

In conclusion, quality in healthcare is elusive due to the complexity of the healthcare system, lack of standardized processes, inherent risks and uncertainties, and challenges in effectively utilizing healthcare data.

Overcoming these obstacles requires collaboration among stakeholders, standardization of processes, ongoing education and training for healthcare professionals, and the use of technology and data analytics to drive quality improvement efforts.

By addressing these issues, healthcare systems can work towards achieving the goal of delivering high-quality care that is safe, effective, and patient-centered.

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the unit of measure to express resolution in an imaging system is:

Answers

The unit of measure to express resolution in an imaging system is "line pairs per millimeter."Resolution is the degree to which fine detail can be seen on a photograph or displayed in a visual system.

The ability of an optical system to distinguish between two points that are close together is referred to as resolution. It is defined as the smallest distance between two points at which they can be discerned as distinct, and it is expressed in terms of line pairs per millimeter (lp/mm).Line pairs per millimeter is the unit of measure for spatial resolution, which refers to the number of line pairs of the smallest element that can be separated by a visual system or imaging system at the object plane. The unit of measure for frequency domain resolution, on the other hand, is line pairs per millimeter (lp/mm).

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An X-ray without any type of contrast medium is a form of electromagnetic radiation that is commonly ordered to confirm a suspicion about which of the following conditions or injuries? a. abnormal metabolic activity
b. dislocation of a joint
c. deep vein thrombosis
d. torn ligament of a joint

Answers

An X-ray without contrast medium is a commonly used diagnostic imaging technique to evaluate suspected joint dislocations. An X-ray without any type of contrast medium is commonly ordered to confirm a suspicion about dislocation of a joint. so the answer is option b) dislocation of a joint.

X-rays are a type of electromagnetic radiation that can pass through the body and create images of the internal structures, including bones and joints. They are frequently used to assess musculoskeletal injuries and conditions. In the case of a suspected dislocation of a joint, an X-ray can help determine the position of the bones and reveal any misalignment or displacement, confirming the presence of a dislocation.

X-rays are particularly useful in visualizing bony structures and detecting fractures, joint dislocations, or abnormalities in bone alignment. While they can provide some information about soft tissues, such as muscles and ligaments, X-rays are primarily employed to evaluate the skeletal system.

For conditions like deep vein thrombosis, which involves blood clot formation in the deep veins, other imaging techniques such as ultrasound or venography are typically used. Similarly, assessing abnormal metabolic activity or detecting a torn ligament of a joint usually requires different imaging modalities or diagnostic tests specific to those conditions.

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I need help with this Health informatics question. After reviewing
Information Hierarchy in the textbook , come up with an example of
data, information and knowledge. Make it interesting!

Answers

Let's create an interesting example using the context of a fitness tracker: Data: Heart Rate Readings, Information: Heart Rate Trends and Patterns, Knowledge: Personalized Heart Health.

Data: Heart Rate Readings

Data in this context refers to raw, unprocessed information. For instance, heart rate readings collected by a fitness tracker would be considered data. It consists of a series of numbers or measurements indicating the heart rate at specific points in time, such as 80 beats per minute (bpm), 90 bpm, and so on.

Information: Heart Rate Trends and Patterns

Information is derived from data through analysis and interpretation. In this case, analyzing the heart rate data collected over time can reveal trends and patterns.

Knowledge: Personalized Heart Health Recommendations

Knowledge is a higher level of understanding that goes beyond data and information. In our example, knowledge would involve using the analyzed heart rate information to make personalized recommendations for the user's heart health.

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