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The original description notes that Jim is not in distress at rest, but that he complains of tiring on exertion and having heart palpitations. When asked what he means by “heart palpitations", he says it feels like his heart is racing and beating really hard (e.g., forcefully), so that he feels like his heart could jump out of his chest. a. What changes occur with exercise that lead to his described racing and "hard" heart beat (more than would be typical with exercise)? 100 wordsmax

The original description notes that Jim is not in distress at rest, but that he complains of tiring on exertion and having heart palpitations. When asked what he means by “heart palpitations", he says it feels like his heart is racing and beating really hard (e.g., forcefully), so that he feels like his heart could jump out of his chest. a. What changes occur with exercise that lead to his described racing and "hard" heart beat (more than would be typical with exercise)? 100 wordsmax

Phlebotomy Essentials
Phlebotomy Essentials
6th Edition
ISBN:9781451194524
Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Chapter1: Phlebotomy: Past And Present And The Healthcare Setting
Section: Chapter Questions
Problem 1SRQ
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Please read the original prompt and answer questions 5 parts a and b

5. The original description notes that Jim is not in distress at rest, but that he complains of tiring on exertion and having heart palpitations. When asked what he means by "heart palpitations", he says it feels like his heart is racing and beating really hard (e.g., forcefully), so that he feels like his heart could jump out of his chest. a. What changes occur with exercise that lead to his described racing and "hard" heart beat (more than would be typical with exercise)? 100 words max b. What does the fact that he tires more easily now on exertion (has reduced exercise capacity) indicate about his CO when exercising? 60 words max
Transcribed Image Text:5. The original description notes that Jim is not in distress at rest, but that he complains of tiring on exertion and having heart palpitations. When asked what he means by "heart palpitations", he says it feels like his heart is racing and beating really hard (e.g., forcefully), so that he feels like his heart could jump out of his chest. a. What changes occur with exercise that lead to his described racing and "hard" heart beat (more than would be typical with exercise)? 100 words max b. What does the fact that he tires more easily now on exertion (has reduced exercise capacity) indicate about his CO when exercising? 60 words max
Question B Jim is a 57-year old patient, sees his doctor because he has recently been tiring on exertion and having occasional heart palpitations on exertion. If he tries to continue to exercise, it gets worse, so whenever he experiences the fatigue or palpitations, he stops exercising, indicating a reduced exercise capacity. Jim does not appear to be in distress at the time of examination in his doctor's office, but the doctor does detect a new heart murmur and notes that Jim's resting HR is 84 beats/min, which is elevated from his previous resting HR of 68 beats/min. The doctor refers Jim to have a cardiac catheterization procedure. Jim is diagnosed with aortic stenosis. Under resting conditions, CO is determined to be 4.8 L/min, which is very close to the expected “normal" of 5L/min. 1. Does the murmur occur during systole or diastole? Explain your reasoning. 50 words max 2. How does the aortic stenosis alter Jim's stroke volume (SV)? Explain your reasoning and provide evidence from the problem description that supports your answer. 90 words max 3. Explain whether each of the following pressures would be increased, decreased or “normal" during systole. a. Right atrial pressure 45 words max b. Left atrial pressure 70 words max c. Left ventricular pressurer 80 words d. Aortic pressure (arterial pressure) 65 words max 4. Jim's resting HR has increased from normal. Explain the step-by-step process (the sequence of changes) beginning with the stimulus and ending with Jim's elevated HR. Do not skip steps. If there's a particular name for the process, be sure to use that name in your answer. 75 words
Transcribed Image Text:Question B Jim is a 57-year old patient, sees his doctor because he has recently been tiring on exertion and having occasional heart palpitations on exertion. If he tries to continue to exercise, it gets worse, so whenever he experiences the fatigue or palpitations, he stops exercising, indicating a reduced exercise capacity. Jim does not appear to be in distress at the time of examination in his doctor's office, but the doctor does detect a new heart murmur and notes that Jim's resting HR is 84 beats/min, which is elevated from his previous resting HR of 68 beats/min. The doctor refers Jim to have a cardiac catheterization procedure. Jim is diagnosed with aortic stenosis. Under resting conditions, CO is determined to be 4.8 L/min, which is very close to the expected “normal" of 5L/min. 1. Does the murmur occur during systole or diastole? Explain your reasoning. 50 words max 2. How does the aortic stenosis alter Jim's stroke volume (SV)? Explain your reasoning and provide evidence from the problem description that supports your answer. 90 words max 3. Explain whether each of the following pressures would be increased, decreased or “normal" during systole. a. Right atrial pressure 45 words max b. Left atrial pressure 70 words max c. Left ventricular pressurer 80 words d. Aortic pressure (arterial pressure) 65 words max 4. Jim's resting HR has increased from normal. Explain the step-by-step process (the sequence of changes) beginning with the stimulus and ending with Jim's elevated HR. Do not skip steps. If there's a particular name for the process, be sure to use that name in your answer. 75 words
Expert Solution
Step 1

As per the given scenario and description, Mr. Jim diagnoses with the case of Aortic stenosis. 

Aortic Stenosis- It is a condition in which there will be narrowing of the aortic valve, during systole it will leads to obstruction of blood flow from the left ventricle to the ascending aorta.

Symptoms-

  • Heart Failure
  • syncope
  • angina
  • Dyspnea on exertion
  • decreased exercise tolerance
  • Exertional dizziness
  • exretional angina

 

 

 

 

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