Hematocrit Levels (Male)

What Causes Abnormal Hematocrit Levels In Men?

In order to deal properly with abnormal hematocrit levels in men we need to understand and — if possible — remove the underlying causes and risk factors.  We need to ask: "What else is going on inside the body that might allow abnormal hematocrit levels in men to develop?"

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Accurate diagnosis of the factors behind abnormal hematocrit levels in men consists of three steps:

Step 1: List the Possible Causative Factors

Identify all disease conditions, lifestyle choices and environmental risk factors that can lead to abnormal hematocrit levels in men.  Here are five possibilities:
  • Bone Marrow Suppression
  • Non-Hodgkin's Lymphoma
  • Chronic Renal Insufficiency
  • Anemia
  • Leukemia

Step 2: Build a Symptom Checklist

Identify all possible symptoms and risk factors of each possible cause, and check the ones that apply:
very pale fingernails
occasional unexplained vomiting
nails turning white towards the ends
moderate unexplained weight loss
low hematocrit
regular unexplained nausea
frequent swollen cervical nodes
frequent 'chills'
microcytic red cells
very low hemoglobin levels
recent onset nausea
weak appetite
... and more than 40 others

Step 3: Rule Out or Confirm each Possible Cause

A differential diagnosis of your symptoms and risk factors finds the likely cause of abnormal hematocrit levels in men:
Cause Probability Status
Leukemia 93% Confirm
Anemia 15% Unlikely
Non-Hodgkin's Lymphoma 2% Ruled out
Chronic Renal Insufficiency 1% Ruled out
Bone Marrow Suppression 1% Ruled out
* This is a simple example to illustrate the process

Arriving at a Correct Diagnosis

The Analyst™ is our online diagnosis tool that learns all about you through a straightforward process of multi-level questioning, providing diagnosis at the end.

If you indicate having had recent lab tests, The Analyst™ will ask further questions including this one:
Hematocrit (HCT). Unit: Percent [fraction]
Possible responses:
→ Don't know
→ Under 30% [0.30]
→ 30 to 40% [0.30-0.40]
→ 41 to 51% [0.41-0.51] (normal)
→ Over 51% [0.51]
Based on your response to this question, which may indicate very low hematocrit, low hematocrit, normal hematocrit or high hematocrit, The Analyst™ will consider possibilities such as:

Anemia also suggests the following possibilities:


The red blood cell deficiency caused by leukemia leads to anemia and the symptoms of anemia, including severe fatigue, pallor, and breathing difficulty.

... and also rule out issues such as:
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