Blood draw, Internal Medicine FAQ

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Risk of Infection from Blood Draw: What You Need to Know

Blood infection Hello, doctor. Today, when I went to the clinic for a blood draw, I didn't pay attention to whether the nurse used a new needle for the procedure. I would like to ask, if the needle was not changed and the person before me was an HIV positive patient, would I...


Dr. Liao Zhongxin Reply:
First, let's review the three main transmission routes of the HIV virus according to the Centers for Disease Control: 1. Sexual transmission: Engaging in oral, anal, or vaginal intercourse without a condom with an HIV-infected individual or exchanging other bodily fluids pos...

[Read More] Risk of Infection from Blood Draw: What You Need to Know


Understanding Diabetes Test Results: A Guide for Patients

Diabetes test results inquiry? When I was 23 or 24 years old, during a company health check, I was found to have elevated fasting blood glucose levels. I then went to a large hospital where my postprandial blood glucose reached 395 mg/dL, and my HbA1c was 9.1, which led to a diag...


Dr. Li Jian Reply:
The normal ranges for test values may vary slightly between different testing laboratories. Please return to the original testing hospital for follow-up consultations. Thank you for your inquiry.

[Read More] Understanding Diabetes Test Results: A Guide for Patients


Understanding Joint and Muscle Pain: Causes, Symptoms, and Management

Joint and muscle pain Hello Doctor, I would like to ask you a few questions. 1. Initially, I experienced pain in my right knee and went to an orthopedic clinic where an ultrasound revealed inflammation and swelling. The doctor suggested a possible meniscus injury. However, afte...


Dr. Gao Jiankai Reply:
Hello, thank you for your inquiry. Here are my responses: 1. Initially, I experienced pain in my right knee and visited an orthopedic clinic where an ultrasound revealed inflammation and swelling. The doctor suggested a possible meniscus injury. After a follow-up visit with no i...

[Read More] Understanding Joint and Muscle Pain: Causes, Symptoms, and Management


Impact of Delayed Cortisol Blood Test on Medical Interpretation

Cortisol blood draw was not performed at the designated time? The lab report indicated that blood should be drawn at 8 AM, but due to a long queue at the blood draw station, the blood was drawn at 9:23 AM, which is almost an hour and a half later. Will this delay affect the docto...


Dr. Li Jian Reply:
There may be slight effects, but the values are still referenceable. Thank you for your inquiry.

[Read More] Impact of Delayed Cortisol Blood Test on Medical Interpretation


Risk of Bloodborne Infection During Routine Blood Draws in Pregnancy

Blood infection During a prenatal check-up, blood was drawn, and immediately after the previous pregnant woman had her blood drawn, I was called to sit down. As I sat down, I noticed an alcohol swab on the table that was contaminated with blood from the previous patient. The nurs...


Dr. Liao Zhongxin Reply:
1. The HIV virus dies within ten minutes after leaving the human body, and its survival rate is even lower in the presence of alcohol-based disinfectants. 2. The primary viruses that can be transmitted through needles are Hepatitis B, Hepatitis C, and HIV; however, transmission...

[Read More] Risk of Bloodborne Infection During Routine Blood Draws in Pregnancy


Concerns About HIV and Hepatitis Risks from Blood Draw Practices

Concerns about HIV infection? Hello Dr. Lin, this week when I went to a small clinic for the adult health check organized by the National Health Administration, the nurse used a brand new, unopened needle for the blood draw, but it seemed that the syringe was not brand new and un...


Dr. Lin Wufu Reply:
Hello, what you are seeing is likely not a syringe, but rather the casing used for a fixed needle. During blood draw, the blood is directly drawn into a vacuum blood collection tube, so a syringe is not needed. Additionally, the casing for the fixed needle does not come into cont...

[Read More] Concerns About HIV and Hepatitis Risks from Blood Draw Practices


Understanding Post-Infusion Vein Issues: What You Need to Know

Venous issues It has been over a month since I had an IV drip, which was administered in the vein at my elbow. Now, there are three raised areas on the vein, about the size of red beans. They are not painful, and I am unsure of the cause. Will there be any concerns when I need to...


Dr. Li Jian Reply:
It is recommended that you undergo a vascular surgery examination. Thank you for your inquiry.

[Read More] Understanding Post-Infusion Vein Issues: What You Need to Know


Blood Draw Infection Risks: Understanding Safety Protocols in Clinics

Blood draw infection issues? Hello, doctor: (1) Last month, I went to a private laboratory for a blood test. Normally, the procedure is to draw blood first and then pay, but that day I paid first before the blood draw. The technician counted out change for me using seven one-hund...


Dr. Liao Zhongxin Reply:
First, it is important to note that the HIV virus can only survive outside the human body for about 10 minutes. Therefore, unless the other person is covered in fresh blood and is in direct contact with your open wound, the risk of infection is very low. If you still have concern...

[Read More] Blood Draw Infection Risks: Understanding Safety Protocols in Clinics


Understanding Blood Test Results: Interpreting Anti-HBc and HCV Ab Findings

Blood Test Report Doctor, I have a question. Because a family member has herpes zoster and needs to get an injection, I had blood drawn at National Cheng Kung University. Is it normal for the blood test report to show the following results? Anti-HBc test result: Repeatedly reacti...


Dr. Zhang Shixin Reply:
Hello: A negative HBsAg combined with a positive Anti-HBc may indicate a past infection with the hepatitis B virus; a positive HCV Ab indicates a hepatitis C infection. This preliminary interpretation of the blood test results regarding hepatitis B and C is suggested to be discus...

[Read More] Understanding Blood Test Results: Interpreting Anti-HBc and HCV Ab Findings


Understanding Blood Sugar Levels: Should You Worry About Your Readings?

Blood sugar issues? Hello Doctor, I am 22 years old, and my height, weight, and BMI are all normal. I do not have hypertension, hyperlipidemia, or any other unhealthy values. On March 1st of this year, my fasting blood glucose was 89, and today, March 20th, my fasting blood gluco...


Dr. Li Jian Reply:
The current blood test results are normal, so please do not worry excessively. Thank you for your inquiry.

[Read More] Understanding Blood Sugar Levels: Should You Worry About Your Readings?


Understanding HIV Testing and Symptoms: What You Need to Know

HIV testing issues? On March 3rd, I engaged in high-risk sexual behavior. On March 12th, I began experiencing symptoms similar to the early stages of an acute infection, with a rash resembling herpes appearing on my temples. By March 13th, I also developed rashes on my body, and ...


Dr. Liao Zhongxin Reply:
Please refer to the information from the Centers for Disease Control (CDC). If you encounter any of the above high-risk situations, you can visit a nearby medical facility for consultation and testing, or you may also perform a rapid test on your own.

[Read More] Understanding HIV Testing and Symptoms: What You Need to Know


Understanding Elevated White Blood Cell Counts: When to Seek Further Evaluation

Elevated white blood cell count? Hello Doctor, I would like to ask about my condition. I have mild thalassemia and iron deficiency anemia. Recently, my blood tests have shown elevated white blood cell counts, sometimes over 100,000 and at times 110,000, but the differential white...


Dr. Zeng Guosen Reply:
The user's white blood cell count is between 10,000 and 11,000 (normal is ≤10,000), which is within a reasonable range and should not be a concern. If there are any doubts, it is advisable to consult a hematologist for further evaluation. Thank you.

[Read More] Understanding Elevated White Blood Cell Counts: When to Seek Further Evaluation


Understanding ANA Test Results: Eczema and Lupus Family History

Inquiry about ANA report? Hello, doctor. Three months ago, I started experiencing a significant rash on my lower back and abdomen. I have seen dermatologists at three different hospitals, and it was ultimately diagnosed as eczema due to a family history of lupus erythematosus on ...


Dr. Zeng Guosen Reply:
After obtaining a result of 1:80(+) from the test, a direct follow-up test at 1:160 will be conducted. If the 1:160 result is negative, the report will be issued as 1:80. Generally, a result of 1:80 is not considered problematic. It is recommended to consult a rheumatologist for ...

[Read More] Understanding ANA Test Results: Eczema and Lupus Family History


Does Wisdom Tooth Extraction Affect Inflammation Markers in Ankylosing Spondylitis?

Does having wisdom teeth removed through surgery affect inflammation levels? Hello, Director Gao. I am 20 years old and a patient with ankylosing spondylitis. I had my wisdom teeth extracted on February 22. After the extraction, my cheek was swollen and painful. It has been 10 da...


Dr. Gao Jiankai Reply:
Hello, thank you for your question. Here are my responses: 1) My appointment on March 8th is for a quarterly follow-up with the rheumatology department, where I will have blood drawn for monitoring. Should I wait until the swelling and pain in my mouth completely subside before ...

[Read More] Does Wisdom Tooth Extraction Affect Inflammation Markers in Ankylosing Spondylitis?


Concerns About HIV Risk from Needle Exposure in Clinics

HIV-related anxiety Recently, during a visit to the clinic for an injection, the nurse removed the needle cap and, while preparing to administer the injection, placed the exposed needle on a metal tray to attend to another matter (which seems to be non-standard procedure). Afterw...


Dr. Liao Zhongxin Reply:
The HIV virus will die within ten minutes when exposed to the environment outside the human body, so there is no need to worry about HIV infection.

[Read More] Concerns About HIV Risk from Needle Exposure in Clinics


Understanding HIV Anxiety: Risks of Needle Exposure in Clinics

HIV-related anxiety Recently, during a visit to the clinic for an injection, the nurse removed the needle cap and, while preparing to administer the injection, placed the exposed needle on a metal tray to attend to another matter (which seems to be non-standard procedure). Afterw...


Dr. Liao Zhongxin Reply:
The HIV virus will die within ten minutes of being exposed to the environment outside the human body, so there is no need to worry about HIV infection.

[Read More] Understanding HIV Anxiety: Risks of Needle Exposure in Clinics


Can You Get HIV from Blood Tests? Understanding the Risks Involved

Is it possible to contract HIV during the blood draw process? Hello, doctor. Thank you for taking the time to answer my question despite your busy schedule. Yesterday morning, I went to a nearby medical laboratory to have my blood tested because I was concerned about my blood sug...


Dr. Liao Zhongxin Reply:
HIV has three main routes of transmission: 1. Sexual transmission: Engaging in oral, anal, or vaginal intercourse without a condom with an HIV-infected individual or exchanging other bodily fluids carries a risk of infection. 2. Blood transmission: (1) Receiving or coming into co...

[Read More] Can You Get HIV from Blood Tests? Understanding the Risks Involved


Post-COVID Joint Pain: Understanding Symptoms and Seeking Early Diagnosis

Joint pain after a confirmed COVID-19 infection? Hello Doctor, I apologize for the lengthy message. I started feeling unwell on November 11th (muscle aches, fever, fatigue, red rashes on limbs, dry eyes, dry mouth). I was diagnosed with COVID-19 on November 13th. On November 16th...


Dr. Gao Jiankai Reply:
Hello, thank you for your inquiry. Here are my responses: 1. Since the joint discomfort clearly occurred after the blood draw, could it be that the inflammatory markers, ANA, and other indices had not yet shown abnormal trends at that time, and only now can we detect abnormaliti...

[Read More] Post-COVID Joint Pain: Understanding Symptoms and Seeking Early Diagnosis


Understanding HIV Testing Results: A Journey Through Two Pregnancies

I tested positive for HIV three years ago when I had my first child (my second child). The first test was positive, while the second test was negative? Three years ago, I had two children. The first pregnancy tested positive in March 2019, and the second in October 2020, both bei...


Dr. Liao Zhongxin Reply:
1. The first question is whether an HIV-positive baby has been born. If so, at least one parent must be an HIV-infected individual, and regardless of whether the initial test result is negative or positive, a confirmatory test must be conducted at a hospital. 2. What is the pur...

[Read More] Understanding HIV Testing Results: A Journey Through Two Pregnancies


Can You Get Blood Tests at Different Hospitals for Chronic Conditions?

Different hospitals perform blood tests for the same specialty? Hello, Doctor Wu! I am a patient with a chronic prescription. I would like to ask: If I had blood drawn for the same specialty at Hospital A in Department A a month ago, can I not get a blood draw order from Departme...


Dr. Wu Hongjie Reply:
To prevent waste, the National Health Insurance system has established a cloud-based medication and medical history inquiry system for examination and testing items. Unless there are special needs or reasons, duplicate items will be subject to deletion based on medical conditions...

[Read More] Can You Get Blood Tests at Different Hospitals for Chronic Conditions?


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