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CASE STUDY 6-1: CIRCULATORY SYSTEM DISORDERS AND DIAGNOSTIC TESTS A phlebotomist receives a request to collect specimens for STAT electrolytes, CK, and AST on a patient with a possible MI. When the phlebotomist arrives to draw the specimen, a physician is with the patient and the patient is explaining that he had been feeling extreme anginal pains for almost an hour now. The physician tells the phlebotomist to go ahead and draw the specimen. The patient has an IV in the left arm near the wrist. There is a sphygmomanometer around the upper right arm. Questions 1. What do the abbreviations CK and AST mean? 2. Which circulatory system structure is being evaluated by the ordered tests? 3. What does the abbreviation MI stand for, and what does mean in nonmedical terms? 4. What does angina have to do with the patient's possible diagnosis of MI? 5. What is a sphygmomanometer, and can the phlebotomist use that arm to draw blood?

CASE STUDY 6-1: CIRCULATORY SYSTEM DISORDERS AND DIAGNOSTIC TESTS A phlebotomist receives a request to collect specimens for STAT electrolytes, CK, and AST on a patient with a possible MI. When the phlebotomist arrives to draw the specimen, a physician is with the patient and the patient is explaining that he had been feeling extreme anginal pains for almost an hour now. The physician tells the phlebotomist to go ahead and draw the specimen. The patient has an IV in the left arm near the wrist. There is a sphygmomanometer around the upper right arm. Questions 1. What do the abbreviations CK and AST mean? 2. Which circulatory system structure is being evaluated by the ordered tests? 3. What does the abbreviation MI stand for, and what does mean in nonmedical terms? 4. What does angina have to do with the patient's possible diagnosis of MI? 5. What is a sphygmomanometer, and can the phlebotomist use that arm to draw blood?

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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Complete all three parts of the case study and answer all the questions
Case CASE STUDY 6-1: CIRCULATORY SYSTEM DISORDERS AND DIAGNOSTIC TESTS A phlebotomist receives a request to collect specimens for STAT electrolytes, CK, and AST on a patient with a possible MI. When the phlebotomist arrives to draw the specimen, a physician is with the patient and the patient is explaining that he had been feeling extreme anginal pains for almost an hour now. The physician tells the phlebotomist to go ahead and draw the specimen. The patient has an IV in the left arm near the wrist. There is a sphygmomanometer around the upper right arm. CASE STUDY 6-2: CIRCULATORY SYSTEM DISORDERS, DIAGNOSTIC TESTS, AND VEIN SELECTION A phlebotomist receives a request to collect a specimen for a PT and D-dimer on a patient. The phlebotomist remem- bers drawing the patient in the ER when he was complain- ing of leg pain. Because the patient was a difficult draw, the phlebotomist wanted to draw from an ankle vein, but the physician would not give permission. The patient was subsequently diagnosed with DVT. When the phlebotomist received the next request on this patient, he still couldn't find a good vein in the AC area, but he noticed that the patient had a large vein on the underside of the wrist. Before Questions 1. What do the abbreviations CK and AST mean? 2. Which circulatory system structure is being evaluated by the ordered tests? 3. What does the abbreviation MI stand for, and what does mean in nonmedical terms? 4. What does angina have to do with the patient's possible diagnosis of MI? 5. What is a sphygmomanometer, and can the phlebotomist use that arm to draw blood? the phlebotomist could collect from the wrist area, he was called to a STAT in the ER. Questions 1. Should the phlebotomist draw from the vein on the underside of the wrist? Why or why not? 2. What do PT and DVT mean? 3. Which body process is being evaluated by the requested tests? 4. What type of specimen is required: serum, plasma, or whole blood? 5. Give a reason for your selection of specimen type. CASE STUDY 6-3: CIRCULATORY SYSTEM DISORDERS, DIAGNOSTIC TESTS, AND VEIN SELECTION A phlebotomist is called to the ER to draw a STAT hct, hgb, and plt ct on a young girl who appears extremely pale and very close to being unconscious. While checking for a good puncture site, the phlebotomist notes the "M" pattern of veins on both arms but really can't feel the veins that well. After reapplying the tourniquet and mak- ing it a bit tighter, the vein in the middle of the AC on the right arm becomes palpable, but when entered, the blood slowly drips into the tube. After the tube is filled, the phlebotomist applies pressure to the puncture site and makes a point of holding it longer than usual before applying a new gauze and tape. While waiting, the phle- botomist overhears the nurse say that the patient's BP is 80/50, and her pulse is weak. The mother says her daughter had a nosebleed that lasted almost all night. Ready to go back to the laboratory, the phlebotomist checks the puncture site again and sees that the bleeding has not stopped. The ER tech continues to put pressure on the site as the phlebotomist leaves. Questions 1. From which vein did the phlebotomist collect the blood specimens for the tests? 2. What do the abbreviations of the three tests that were ordered mean? 3. Which body processes or systems are being evaluated by the requested tests? 4. Why did the blood enter so slowly into the evacuated tube? 5. Why did the applied pressure and length of time not stop blood from flowing at the puncture site?
Transcribed Image Text:Case CASE STUDY 6-1: CIRCULATORY SYSTEM DISORDERS AND DIAGNOSTIC TESTS A phlebotomist receives a request to collect specimens for STAT electrolytes, CK, and AST on a patient with a possible MI. When the phlebotomist arrives to draw the specimen, a physician is with the patient and the patient is explaining that he had been feeling extreme anginal pains for almost an hour now. The physician tells the phlebotomist to go ahead and draw the specimen. The patient has an IV in the left arm near the wrist. There is a sphygmomanometer around the upper right arm. CASE STUDY 6-2: CIRCULATORY SYSTEM DISORDERS, DIAGNOSTIC TESTS, AND VEIN SELECTION A phlebotomist receives a request to collect a specimen for a PT and D-dimer on a patient. The phlebotomist remem- bers drawing the patient in the ER when he was complain- ing of leg pain. Because the patient was a difficult draw, the phlebotomist wanted to draw from an ankle vein, but the physician would not give permission. The patient was subsequently diagnosed with DVT. When the phlebotomist received the next request on this patient, he still couldn't find a good vein in the AC area, but he noticed that the patient had a large vein on the underside of the wrist. Before Questions 1. What do the abbreviations CK and AST mean? 2. Which circulatory system structure is being evaluated by the ordered tests? 3. What does the abbreviation MI stand for, and what does mean in nonmedical terms? 4. What does angina have to do with the patient's possible diagnosis of MI? 5. What is a sphygmomanometer, and can the phlebotomist use that arm to draw blood? the phlebotomist could collect from the wrist area, he was called to a STAT in the ER. Questions 1. Should the phlebotomist draw from the vein on the underside of the wrist? Why or why not? 2. What do PT and DVT mean? 3. Which body process is being evaluated by the requested tests? 4. What type of specimen is required: serum, plasma, or whole blood? 5. Give a reason for your selection of specimen type. CASE STUDY 6-3: CIRCULATORY SYSTEM DISORDERS, DIAGNOSTIC TESTS, AND VEIN SELECTION A phlebotomist is called to the ER to draw a STAT hct, hgb, and plt ct on a young girl who appears extremely pale and very close to being unconscious. While checking for a good puncture site, the phlebotomist notes the "M" pattern of veins on both arms but really can't feel the veins that well. After reapplying the tourniquet and mak- ing it a bit tighter, the vein in the middle of the AC on the right arm becomes palpable, but when entered, the blood slowly drips into the tube. After the tube is filled, the phlebotomist applies pressure to the puncture site and makes a point of holding it longer than usual before applying a new gauze and tape. While waiting, the phle- botomist overhears the nurse say that the patient's BP is 80/50, and her pulse is weak. The mother says her daughter had a nosebleed that lasted almost all night. Ready to go back to the laboratory, the phlebotomist checks the puncture site again and sees that the bleeding has not stopped. The ER tech continues to put pressure on the site as the phlebotomist leaves. Questions 1. From which vein did the phlebotomist collect the blood specimens for the tests? 2. What do the abbreviations of the three tests that were ordered mean? 3. Which body processes or systems are being evaluated by the requested tests? 4. Why did the blood enter so slowly into the evacuated tube? 5. Why did the applied pressure and length of time not stop blood from flowing at the puncture site?
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