Blood test, Family Medicine FAQ - Page 17

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Concerns About Kidney Damage After CT Scan with Contrast: What to Know

Post-contrast Computed Tomography (CT) Scan Follow-up Hello Doctor: I would like to briefly describe my condition. Recently, I sought consultation from an otolaryngologist due to a swollen and unusual feeling in the right side of my neck. The doctor ordered a neck ultrasound, whi...


Dr. Liao Yaopan Reply:
Regarding the issue of whether contrast agents cause renal damage, the clinical definition is: an increase in serum creatinine of 0.5 mg/dL or 25% within 48 hours of using a contrast agent, while excluding other causes of acute renal failure. The likelihood of this occurring is h...

[Read More] Concerns About Kidney Damage After CT Scan with Contrast: What to Know


Should I See a Family Doctor or Dentist for My Symptoms?

Which specialty should I see? Hello Doctor: For about a week, my front teeth have been bleeding at the gaps, either briefly or when I brush my teeth. Additionally, my throat feels very dry, and I only cough up phlegm with a coffee-black color in the morning after waking up; I do ...


Dr. Liao Yaopan Reply:
Hello, if symptoms persist, dental follow-up is still necessary. Changhua Hospital cares about you.

[Read More] Should I See a Family Doctor or Dentist for My Symptoms?


Urgent Concerns About Low Hemoglobin Levels Before Medical Exam

I have a low hemoglobin level in my health check-up. I'm really anxious about it; please help me? On October 2nd, my blood test showed a hemoglobin level of 9.9, while the first test was 9.6. I need to pass a level of 11.6 before the end of October to qualify for my desired ...


Dr. Liao Yaopan Reply:
Hello, regarding anemia, it is important to identify the underlying cause. If necessary, a referral to a hematologist for further evaluation may be required. As for blood transfusions, it depends on whether there are life-threatening indications based on clinical assessment. Plea...

[Read More] Urgent Concerns About Low Hemoglobin Levels Before Medical Exam


Understanding Bowel Habits: Is Your Stool Normal or a Cause for Concern?

Bowel movement issues Bowel movements occur once a day or every other day, with no abdominal pain or discomfort during the process, and no abnormalities noted. There is no blood or blood-tinged stool; however, during the bowel movement, the individual uses their phone, which take...


Dr. Liao Yaopan Reply:
Hello, are you experiencing blood in your stool? It is recommended to collect a sample for a fecal occult blood test. Please visit a medical facility to arrange for this at Changhua Hospital. We care about your health.

[Read More] Understanding Bowel Habits: Is Your Stool Normal or a Cause for Concern?


Understanding Blood Test Abnormalities: When to See a Doctor

Blood disorders Hello, I have been taking the following two medications for acne treatment for about seven months: 1. Doxycycline 100mg 2. Aldactone 25mg. After stopping the medication for 2-3 weeks, I recently had a blood test during a company health check, and the results showe...


Dr. Liao Yaopan Reply:
Hello, you can consult a hematologist for further evaluation regarding blood cell tests. Please note that online consultations do not equate to in-person medical visits and cannot provide accurate diagnoses or treatment recommendations. Changhua Hospital cares about you.

[Read More] Understanding Blood Test Abnormalities: When to See a Doctor


Understanding Sudden Drops in Hemoglobin Levels: Causes and Solutions

Hemoglobin levels can drop suddenly due to several reasons, including: 1. Acute blood loss: This can occur from trauma, surgery, or gastrointestinal bleeding. 2. Hemolysis: Conditions that cause the destruction of red blood cells, such as autoimmune hemolytic anemia or certain i...


Dr. Chen Bozhang Reply:
Dear Ms. Jean, Regarding your recent blood test indicating anemia, here is the analysis: The mean corpuscular volume (MCV) of your red blood cells is 70.40 fL, which is low (normal range is 80-100 fL). Your red blood cell count is 5.10 x 10^6, which is high (normal range is 3.5-...

[Read More] Understanding Sudden Drops in Hemoglobin Levels: Causes and Solutions


Understanding Non-Specific Dizziness: Causes and Management Strategies

Nonspecific dizziness Hello, doctor. One morning in February of last year, I woke up feeling dizzy (I weighed 116 kg at the time). Initially, it felt like an earthquake, and I didn't think much of it. However, by the end of March last year, my doctor prescribed me medication...


Dr. Ye Qianyu Reply:
Hello! In clinical practice, the various conditions you mentioned can indeed lead to dizziness. I recommend keeping a diary to thoroughly assess the events before and after the episodes of dizziness, as this will help identify the key factors contributing to your symptoms and all...

[Read More] Understanding Non-Specific Dizziness: Causes and Management Strategies


Can Humans Detect Rabies Infection After Dog Exposure?

Can humans be tested for rabies infection? I currently live in Yuanlin, Changhua, and a stray dog has recently appeared near my home. I have been feeding it and sometimes playing with it affectionately. Once, while playing, its teeth and paws touched my calf, which developed smal...


Dr. Liao Yaopan Reply:
Hello, currently there are no blood tests available in clinical practice to examine the relevant information. You can refer to the CDC's explanation at http://www.cdc.gov.tw/diseaseinfo.aspx?treeid=8d54c504e820735b&nowtreeid=265391389b8b2287&tid=9D2E1B3A862F06FB. Cha...

[Read More] Can Humans Detect Rabies Infection After Dog Exposure?


Can You Test for Rabies After Potential Exposure to a Stray Dog?

Can a person be tested for rabies infection? I currently live in Yuanlin, Changhua, and recently a stray dog appeared near my home. I didn't feed it, but it seemed gentle. One time, I crouched down to pet it, and when I was about to leave, the dog jumped around and used its ...


Dr. Liao Yaopan Reply:
Hello, currently there are no blood tests used in clinical practice to examine the relevant information. You can refer to the CDC's explanation at http://www.cdc.gov.tw/diseaseinfo.aspx?treeid=8d54c504e820735b&nowtreeid=265391389b8b2287&tid=9D2E1B3A862F06FB. Changhua...

[Read More] Can You Test for Rabies After Potential Exposure to a Stray Dog?


Understanding Your Blood Test Results: Cholesterol, Blood Sugar, and More

Blood test issues Hello Dr. Chen: I recently received my blood donation report, which shows total cholesterol at 188 mg/dL, LDL-C at 132 mg/dL, glycated hemoglobin (HbA1c) at 5.9%, blood pressure at 115/77 mmHg, and ALT at 13 U/L. I would like to ask: 1. Do these results indica...


Dr. Chen Taicheng Reply:
● Total cholesterol is generally considered normal if it is ≤200 mg/dL, and LDL-C is considered normal if it is ≤130 mg/dL, indicating only a slight increase. This is not classified as high lipid levels, and given your age, your cardiovascular risk is generally low. ● The norma...

[Read More] Understanding Your Blood Test Results: Cholesterol, Blood Sugar, and More


Understanding Blood Test Safety: Addressing Concerns About Contamination

Blood test issues? Hello, doctor. I asked about the blood test procedure the day before yesterday (<a href="https://adoctor.tw/article/126694">#126694</a>), and I appreciate your response. I apologize for asking another question. Initially, I was very concer...


Dr. Chen Taicheng Reply:
● You don't need to worry about the risk of infection at all. Additionally, the purpose of disinfecting the blood draw site with alcohol is also for this reason. You can refer to similar responses in articles #126643 and #126615. ● Hepatitis B is transmitted through blood an...

[Read More] Understanding Blood Test Safety: Addressing Concerns About Contamination


Managing Irregular Periods and Skin Growths: A Guide for Seniors

Could you please provide more details or specify your question? 1. In the past 2-3 years, my menstrual cycle has not been as regular as it used to be, occurring every 30-40 days. Now, it comes approximately every 2-3 months. I have seen a gynecologist who conducted blood tests fo...


Dr. Chen Taicheng Reply:
● The average age for women to reach menopause is around 51 years, and in the years leading up to it, they may experience irregular menstruation and some may have menopausal symptoms. Normal hormone levels indicate that menopause has not yet occurred; if there are no menopausal s...

[Read More] Managing Irregular Periods and Skin Growths: A Guide for Seniors


Concerns About Blood Test Procedures and Infection Risks in Family Medicine

Questions about the blood draw process? Hello, Doctor: Today I went to the hospital for a blood draw, and the lab technician crumpled the order form and threw it into the trash can (the alcohol swabs used for disinfection were also discarded there). Later, it seems they retrieved...


Dr. Chen Taicheng Reply:
●Will not transmit any diseases. Wishing you good health, Dr. Chen Tai-Cheng from the Family Medicine Department of Taoyuan Hospital cares about you~

[Read More] Concerns About Blood Test Procedures and Infection Risks in Family Medicine


Am I Anemic? Understanding Blood Test Results and Causes

Doctor, is this anemia? HCT (Hematocrit) value: 37.5% (Reference range: 37-47%) HGB (Hemoglobin) value: 12.8 g/dL (Reference range: 12-16 g/dL) MCH (Mean Corpuscular Hemoglobin) value: 30.7 pg (Reference range: 27-34 pg) MCHC (Mean Corpuscular Hemoglobin Concentration) valu...


Dr. Chen Taicheng Reply:
● Except for a slightly low red blood cell count (the normal range for most people is above 4.2 million; yours is 4.17 million, which is just a little below), all other values are within the normal range. ● At this time, hemoglobin levels are normal, and the only issue is the sli...

[Read More] Am I Anemic? Understanding Blood Test Results and Causes


Understanding Blood Test Results: When to Seek Medical Advice

Blood Issues in Health Check Reports Hello Doctor, I have a hepatitis B carrier status and polycystic ovary syndrome. I underwent a health check in early June, and some results were flagged in red. The report shows: PLT (platelet count) 114, MPV (mean platelet volume) 10.4, PDW (...


Dr. Chen Taicheng Reply:
- Low platelet count may be caused by hepatitis B leading to splenomegaly, which consumes platelets. - An increased platelet distribution width is a nonspecific abnormality and does not require concern. - Mean Platelet Volume (MPV): A decrease in MPV may be associated with aplast...

[Read More] Understanding Blood Test Results: When to Seek Medical Advice


Understanding Abnormal Blood and Urine Test Results: Next Steps

Health check-up issues Dear Doctor: Last week, I underwent blood tests (including general biochemistry and routine tests) and a routine urine test at a medical laboratory. The results showed one abnormal finding in both the blood and urine tests, while the others were normal. The...


Dr. Chen Taicheng Reply:
● Eosinophils may increase in response to infections, parasites, and allergies. Consider whether you have any allergies, asthma, atopic dermatitis, or if you have pets at home. If none of these apply, there is generally no need for concern. You can follow up with blood tests in t...

[Read More] Understanding Abnormal Blood and Urine Test Results: Next Steps


Dizziness When Standing After Sitting: Causes and Concerns

Feeling dizzy when standing up after sitting for a while? Hello, doctor. Recently, when I sit back in a chair (or lie down to watch something) and then stand up, I often experience a moment of dizziness and my vision goes black, but the symptoms disappear quickly. I used to have ...


Dr. Chen Taicheng Reply:
It sounds like you may be experiencing orthostatic hypotension. You can prepare a blood pressure monitor at home and measure your blood pressure while lying down; then, measure it again after suddenly standing up or sitting. If the systolic pressure drops by 15 mmHg, it could ind...

[Read More] Dizziness When Standing After Sitting: Causes and Concerns


Can Memory Loss in Teens Be Reversed? Understanding Your Concerns

Is it possible to recover from poor memory? Hello, I am 17 years old, and recently I have been experiencing noticeable memory decline. I used to be able to remember things immediately, but now I forget them right away, even if I try to memorize them. I forget things I just said o...


Dr. Chen Taicheng Reply:
● Memory does not suddenly increase or decrease without reason. Given your age, the most likely cause of a temporary change in memory could be a lack of attention or focus during listening or memorization (which means the information was not properly encoded in your brain). Addit...

[Read More] Can Memory Loss in Teens Be Reversed? Understanding Your Concerns


Dizziness When Standing After Sitting: Causes and Concerns

Experiencing dizziness when standing up after sitting? Hello, doctor. Recently, when I sit back in a chair (or lie down to watch something) and then stand up, I often experience a moment of dizziness, with my vision going black, but the symptoms disappear quickly. I used to have ...


Dr. Chen Taicheng Reply:
It sounds like you may be experiencing orthostatic hypotension. You can prepare a blood pressure monitor at home and measure your blood pressure while lying down. Then, measure it again after suddenly standing up or sitting. If the systolic pressure drops by 15 mmHg, it could ind...

[Read More] Dizziness When Standing After Sitting: Causes and Concerns


Does Taking B Vitamins Before a Morning Health Check Affect Results?

Will taking B vitamins before a medical examination affect the test results? Hello, doctor. I would like to ask if taking a B-complex vitamin around 5 PM after a health check-up at 8 AM will affect the test results. Thank you!


Dr. Liao Yaopan Reply:
Hello, regarding your inquiry, fasting blood tests are generally required for routine check-ups primarily because consuming sugary or caloric foods can affect fasting blood glucose or lipid results. If it is just a simple B vitamin, theoretically, it should not have a significant...

[Read More] Does Taking B Vitamins Before a Morning Health Check Affect Results?


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