What Causes Occult Blood?
Occult blood can have various causes, just like most other symptoms. Finding the true cause means ruling out or confirming each possibility – in other words, diagnosis.
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Diagnosis is usually a complex process due to the sheer number of possible causes and related symptoms. In order to diagnose occult blood, we could:
- Research the topic
- Find a doctor with the time
- Use a diagnostic computer system.
The process is the same, whichever method is used.
Step 1: List all Possible Causes
We begin by identifying the disease conditions which have "occult blood" as a symptom. Here are eight of many possibilities:
- Ulcerative Colitis
- Stomach Ulcers
- Crohn's Disease
- Colon Cancer
- Carcinoid Cancer
- Rectal Cancer
- Stomach Cancer
- Small Intestine Cancer
Step 2: Build a Symptom Checklist
We then identify all possible symptoms and risk factors of each possible cause, and check the ones that apply:
moderate right iliac pain after food
history of stomach cancer
significant bowel movement changes
frequent painful urge to defecate
meal-induced pain for over a month
very low tryptophan levels
low systolic blood pressure
ulcerative colitis in remission
severe meal-induced pain
frequent mucus in stools
... and more than 80 others
Step 3: Rule Out or Confirm each Possible Cause
A differential diagnosis of your symptoms and risk factors finds the likely cause of occult blood:
|Small Intestine Cancer
* This is a simple example to illustrate the process
Arriving at a Correct Diagnosis
is our online diagnosis tool that learns all about you through a straightforward process of multi-level questioning, providing diagnosis at the end.
Occult blood. Have lab tests found blood in your stool within the past 6 months?
→ Not tested within past 6 months / don't know
→ No, stool tested negative
→ In the past only, now resolved
→ Yes, trace or small amounts
→ Yes, enough for doctor to be concerned
Based on your response to this question, which may indicate absence of occult blood, history of occult blood, trace amounts of occult blood or significant amounts of occult blood, The Analyst™
will consider possibilities such as:
... and also rule out issues such as:
Concerned or curious about your health? Try The Analyst™