Part IV – Late Stage Complications After Jamie's visit with the rheumatologist, she was treated with high levels of prednisone after NSAIDS (non-steroidal anti-inflammatory drug) and anti-malarials were not effective. After graduation, Jamie married another doctoral student. Soon after she was married, Jamie became pregnant, but sadly, the pregnancy ended in miscarriage. Jamie was told by her physician that sometimes patients with lupus produce antibodies that make pregnancy high risk. Jamie and her husband decided to adopt to avoid the pain of another miscarriage. Ten years have passed since her initial diagnosis and Jamie has continued to suffer frequent lupus flares. As a result of long-term drug usage, she has developed steroid-induced diabetes, hypertension, and osteoporosis. Over the past two weeks, Jamie has not been feeling well. Her symptoms are different from her usual lupus flares. She is experiencing fatigue, chest pain, and shortness of breath with minor activity. Jamie decides she needs to start exercising and begins running on the treadmill and collapses. She regains consciousness and is rushed to the emergency room. She describes to the physician that she is having chest pain, and the physician evaluates her for a cardiac event. An ECG (electrocardiogram) is performed and shows abnormal results. The laboratory testing includes myoglobin, cardiac troponin I, and CK-MB. The results are as follows: Jamie's Results 15.8 ng/ml 8.5 ug/L. 153.7 ng/ml Cardiac Indicators Reference Values Troponin I CK-MB Myoglobin 0-1.5 ng/mL < 5 µg/L. 0-85 ng/ml Questions 1. What is myoglobin? 2. What are the three types of troponin found in cardiac muscle? 3. What are the three isoenzymes of creatine kinase? Which one is found predominately in heart muscle? 4. What does an elevated myoglobin, cardiac troponin I, and CK-MB (creatine kinase isoenzyme) in the blood indicate to the physician? 5. What is Jamie's long-term prognosis?

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
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Hi, hope your doing well!

I was given a case, and this case was divided into parts. I am in the last part, but I was not sure what to do here. I would appreciate it if you help me answer the question.

I will leave part one of the case if you needed more info.

 

thank you. 

PartI- The Investigative Process
Jamie is a 26-year-old graduate student at the University of Arkansas-Monticello. She is working on her PhD in
biology. As a biologist, she enjoys spending time outdoors when she can. The campus is on the edge of the woods and
it is a nice place for Jamie to walk and relax to relieve the stress of graduate school. Jamie has not been able to enjoy
her walks lately due to the fatigue she has been experiencing. Others have noticed that she does not have the stamina
she had in the past to complete her research.
Her major professor convinces her that it would be a good idea to make an appointment to see her family physician
to determine the source of her fatigue. He suggests that maybe she has a viral infection, and she just needs to get some
rest. She is able to get an appointment with her family practitioner. When she arrives at the clinic, the nurse takes her
blood pressure and temperature. Her blood pressure is 128/74 and her temperature is a slightly elevated 101.2°F.
She is asked to provide her family medical history and to describe any symptoms she has noticed. Jamie tells her
doctor that her maternal grandmother had rheumatism and was not able to get around. Her father had prostate cancer.
She cannot think of any other family illnesses. She tells her doctor that in addition to feeling run down, her knees
and elbows have been aching, and she has been having trouble pipetting because of pain in her hands. She has been
experiencing frequent cold sores that she has been treating with over-the-counter medication. She attributes her recent
weight loss to poor eating habits as a student. On general examination, the doctor finds a rash on her upper back
where she is typically exposed to the sun and swollen lymph nodes on her neck.
The doctor decides that further tests are required to rule out some obvious possibilities. He suspects an autoimmune
disease such as lupus (systemic lupus erythematous, SLE) or rheumatoid arthritis (RA), a tick born disease like Lyme
disease, anemia, or chronic Epstein Barr virus syndrome. Jamie is sent to the lab where blood is drawn. She is asked to
return the following week to review the lab test results.
Transcribed Image Text:PartI- The Investigative Process Jamie is a 26-year-old graduate student at the University of Arkansas-Monticello. She is working on her PhD in biology. As a biologist, she enjoys spending time outdoors when she can. The campus is on the edge of the woods and it is a nice place for Jamie to walk and relax to relieve the stress of graduate school. Jamie has not been able to enjoy her walks lately due to the fatigue she has been experiencing. Others have noticed that she does not have the stamina she had in the past to complete her research. Her major professor convinces her that it would be a good idea to make an appointment to see her family physician to determine the source of her fatigue. He suggests that maybe she has a viral infection, and she just needs to get some rest. She is able to get an appointment with her family practitioner. When she arrives at the clinic, the nurse takes her blood pressure and temperature. Her blood pressure is 128/74 and her temperature is a slightly elevated 101.2°F. She is asked to provide her family medical history and to describe any symptoms she has noticed. Jamie tells her doctor that her maternal grandmother had rheumatism and was not able to get around. Her father had prostate cancer. She cannot think of any other family illnesses. She tells her doctor that in addition to feeling run down, her knees and elbows have been aching, and she has been having trouble pipetting because of pain in her hands. She has been experiencing frequent cold sores that she has been treating with over-the-counter medication. She attributes her recent weight loss to poor eating habits as a student. On general examination, the doctor finds a rash on her upper back where she is typically exposed to the sun and swollen lymph nodes on her neck. The doctor decides that further tests are required to rule out some obvious possibilities. He suspects an autoimmune disease such as lupus (systemic lupus erythematous, SLE) or rheumatoid arthritis (RA), a tick born disease like Lyme disease, anemia, or chronic Epstein Barr virus syndrome. Jamie is sent to the lab where blood is drawn. She is asked to return the following week to review the lab test results.
Part IV – Late Stage Complications
After Jamie's visit with the rheumatologist, she was treated with high levels of prednisone after NSAIDS (non-steroidal
anti-inflammatory drug) and anti-malarials were not effective. After graduation, Jamie married another doctoral
student. Soon after she was married, Jamie became pregnant, but sadly, the pregnancy ended in miscarriage. Jamie was
told by her physician that sometimes patients with lupus produce antibodies that make pregnancy high risk. Jamie and
her husband decided to adopt to avoid the pain of another miscarriage.
Ten years have passed since her initial diagnosis and Jamie has continued to suffer frequent lupus flares. As a result of
long-term drug usage, she has developed steroid-induced diabetes, hypertension, and osteoporosis. Over the past two
weeks, Jamie has not been feeling well. Her symptoms are different from her usual lupus flares. She is experiencing
fatigue, chest pain, and shortness of breath with minor activity. Jamie decides she needs to start exercising and
begins running on the treadmill and collapses. She regains consciousness and is rushed to the emergency room. She
describes to the physician that she is having chest pain, and the physician evaluates her for a cardiac event. An ECG
(electrocardiogram) is performed and shows abnormal results. The laboratory testing includes myoglobin, cardiac
troponin I, and CK-MB. The results are as follows:
Cardiac Indicators
Jamie's Results
Reference Values
15.8 ng/ml
8.5 pg/L
153.7 ng/ml
Troponin I
0-1.5 ng/mL
< 5 pg/L
0-85 ng/ml
СК-МB
Myoglobin
Questions
1. What is myoglobin?
2. What are the three types of troponin found in cardiac muscle?
3. What are the three isoenzymes of creatine kinase? Which one is found predominately in heart muscle?
4. What does an elevated myoglobin, cardiac troponin I, and CK-MB (creatine kinase isoenzyme) in the blood
indicate to the physician?
5. What is Jamie's long-term prognosis?
Transcribed Image Text:Part IV – Late Stage Complications After Jamie's visit with the rheumatologist, she was treated with high levels of prednisone after NSAIDS (non-steroidal anti-inflammatory drug) and anti-malarials were not effective. After graduation, Jamie married another doctoral student. Soon after she was married, Jamie became pregnant, but sadly, the pregnancy ended in miscarriage. Jamie was told by her physician that sometimes patients with lupus produce antibodies that make pregnancy high risk. Jamie and her husband decided to adopt to avoid the pain of another miscarriage. Ten years have passed since her initial diagnosis and Jamie has continued to suffer frequent lupus flares. As a result of long-term drug usage, she has developed steroid-induced diabetes, hypertension, and osteoporosis. Over the past two weeks, Jamie has not been feeling well. Her symptoms are different from her usual lupus flares. She is experiencing fatigue, chest pain, and shortness of breath with minor activity. Jamie decides she needs to start exercising and begins running on the treadmill and collapses. She regains consciousness and is rushed to the emergency room. She describes to the physician that she is having chest pain, and the physician evaluates her for a cardiac event. An ECG (electrocardiogram) is performed and shows abnormal results. The laboratory testing includes myoglobin, cardiac troponin I, and CK-MB. The results are as follows: Cardiac Indicators Jamie's Results Reference Values 15.8 ng/ml 8.5 pg/L 153.7 ng/ml Troponin I 0-1.5 ng/mL < 5 pg/L 0-85 ng/ml СК-МB Myoglobin Questions 1. What is myoglobin? 2. What are the three types of troponin found in cardiac muscle? 3. What are the three isoenzymes of creatine kinase? Which one is found predominately in heart muscle? 4. What does an elevated myoglobin, cardiac troponin I, and CK-MB (creatine kinase isoenzyme) in the blood indicate to the physician? 5. What is Jamie's long-term prognosis?
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