Bruising and Blood Test Results: A Guide for Patients - Internal Medicine

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May I ask the doctor?


Hello Doctor, I recently noticed sudden bruising, sometimes on my thighs and sometimes on my ribs.
After blood draws, the swelling takes about a week to gradually subside.
I would like to ask about the coagulation function values and whether they are abnormal (I haven't had a follow-up appointment or blood tests recently, so I'm unsure if previous values can be referenced).

Here are my lab results:
- 2019:
- HB: 10.9
- HCT: 35.6
- MCH: 25.7
- MCHC: 30.6
- MCV: 84.0
- PLT: 380
- RBC: 4.24
- RDW-CV: 14.2
- WBC: 11.64
- 2018:
- HB: 11.1
- HCT: 36.4
- MCH: 24.3
- MCHC: 30.5
- MCV: 79.8
- PLT: 352
- RBC: 4.56
- RDW-CV: 14.1
- WBC: 7.29
Could my vegetarian diet be related to this? Does this indicate anemia, or is it a sign of poor hematopoietic function? My menstrual cycles have been irregular for the past few years, with very light flow, and I feel it may not be related to menstruation.
Would supplementing with B vitamins or ginseng be beneficial? Thank you for patiently reviewing my questions and providing a response.

Nìmíng, 20~29 year old female. Ask Date: 2020/12/16

Dr. Hong Yuanbin reply Internal Medicine


Hello, in this report, the parameter related to coagulation function is PLT: Platelets, which is normal.
However, more relevant to coagulation are PT/aPTT, which are not included in this report.
You have mild anemia, but it is not severe and is likely not significantly related to menstruation.
Supplementing with B vitamins or ginseng can be considered as nutritional support, but the impact is expected to be minimal.
Regarding the bruising, if it is confirmed to be caused by blood draws or bumps, just continue to observe.
However, if there is no external force and it is spontaneous bruising, it is recommended to consult a hematology-oncology specialist.
Thank you for your inquiry.

Reply Date: 2020/12/16

More Info


Understanding bruising and blood test results can be quite complex, especially when considering factors such as dietary habits, menstrual irregularities, and potential underlying health conditions. Based on the blood test results you provided, let's break down the relevant components and their implications.


Blood Test Results Overview
1. Hemoglobin (HB): Your hemoglobin levels are slightly low (10.9 g/dL), which indicates mild anemia. Normal levels for women typically range from 12.0 to 16.0 g/dL. Anemia can lead to symptoms such as fatigue, weakness, and in some cases, increased bruising due to reduced oxygen delivery to tissues.

2. Hematocrit (HCT): Your hematocrit is also on the lower side (35.6%), which aligns with the anemia indicated by your hemoglobin levels. Normal ranges are generally between 36% and 46% for women.

3. Mean Corpuscular Hemoglobin (MCH) and Mean Corpuscular Volume (MCV): Your MCH and MCV values suggest that your red blood cells are smaller than average (MCV of 84.0 fL), which is often seen in iron deficiency anemia or thalassemia.
4. Platelet Count (PLT): Your platelet count is within the normal range (380 x 10^3/uL). This is important because a low platelet count can lead to increased bruising and bleeding. Since your platelet count is normal, it suggests that your bruising is not due to a platelet deficiency.

5. White Blood Cell Count (WBC): Your WBC count is elevated (11.64 x 10^3/uL), which could indicate an ongoing infection or inflammation. This is not directly related to bruising but is worth monitoring.


Dietary Considerations
Being a vegetarian can impact your iron levels, especially if you are not consuming enough iron-rich foods or supplements. Iron is crucial for hemoglobin production, and a deficiency can lead to anemia. Foods rich in iron include legumes, nuts, seeds, whole grains, and fortified cereals. Pairing these with vitamin C-rich foods (like citrus fruits) can enhance iron absorption.


Bruising and Clotting Function
Bruising can occur for several reasons, including:
- Vascular fragility: This can be due to aging, certain medications, or nutritional deficiencies (like vitamin C or K).

- Clotting disorders: Although your platelet count is normal, other clotting factors could be involved. If you have a history of easy bruising or bleeding, it may be worthwhile to discuss further testing with your healthcare provider.


Menstrual Irregularities
Irregular menstrual cycles and light flow can also contribute to anemia, particularly if you are losing blood during menstruation. If your periods are irregular and light, it might be beneficial to consult with a gynecologist to explore potential causes, such as hormonal imbalances or other underlying conditions.


Recommendations
1. Dietary Adjustments: Consider increasing your intake of iron-rich foods and possibly incorporating a vitamin B12 supplement, especially if you are not consuming animal products. Vitamin B12 is essential for red blood cell production.

2. Follow-Up Testing: Since you mentioned not having recent blood tests, it would be prudent to have your blood levels rechecked, focusing on hemoglobin, hematocrit, and iron studies (including ferritin levels).

3. Consult a Specialist: If bruising persists or worsens, or if you experience other symptoms like excessive fatigue or unusual bleeding, it may be beneficial to consult a hematologist or your primary care physician for a comprehensive evaluation.

4. Lifestyle Modifications: Regular exercise, adequate hydration, and a balanced diet can help improve overall health and potentially mitigate some of the symptoms you are experiencing.

5. Supplements: While vitamin B complex and ginseng may offer some benefits, it's essential to discuss any supplementation with your healthcare provider to ensure they are appropriate for your specific health needs.

In conclusion, your blood test results suggest mild anemia, which could be contributing to your bruising. Dietary habits, menstrual irregularities, and potential underlying health issues should be addressed with your healthcare provider for a comprehensive approach to your health.

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