WEEK 7 I-HUMAN CASE ANALYSIS FOR A 25- YEAR-OLD FEMALE WITH LOOSE STOOLS — (2026) LOCATION: OUTPATIENT CLINIC WITH LAB CAPABILITIES (WALDEN UNIVERSITY)

WEEK 7 I-HUMAN CASE ANALYSIS FOR A 25-
YEAR-OLD FEMALE WITH LOOSE STOOLS —
(2026) LOCATION: OUTPATIENT CLINIC WITH
LAB CAPABILITIES (WALDEN UNIVERSITY)




Reason for encounter:
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Recurrent loose stools for 4 days, worse frequency, mild lightheadedness.
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Patient demographics:
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• Age: 25 years
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• Sex: Femaleg;



• Height: 5′5″ (165 cm)g; g; g;



• Weight: 135 lb (61 kg)g; g; g; g;



• BMI: 22.3 kg/m² g; g;

,Case mode: Learning mode
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Case location: Outpatient primary care clinic with stat lab and stool testing
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Attempts allowed: Unlimited (learning)
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2. Chief Complaint (CC) g; g;




“I’ve had loose stools and cramping for four days and it’s not getting better.”
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• Onset: 4 days ago g; g; g;



• Stool frequency: 6–8 loose/watery stools per day
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• Character: Watery, no frank blood reported initially (patient uncertain
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about small streaks yesterday)
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• Associated: Lower abdominal cramps, urgency, mild nausea,
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decreased appetite, lightheaded when standing
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• Severity: Moderate; interfering with work and sleep
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3. History of Present Illness (HPI) g; g; g; g;




A previously healthy 25-year-old female reports acute onset watery diarrhea 4
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days ago after returning from a weekend trip to a neighboring state where she
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g; ate local street food. Initially 3–4 stools/day, now 6–8/day. She describes
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g; crampy periumbilical and lower abdominal pain that eases after defecation. She
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g; endorses mild nausea without vomiting.
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, She had subjective fever (up to ~38.0°C / 100.4°F) on day 1 that resolved
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g; spontaneously. Yesterday she noticed a few streaks of red in stool once — she
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g; is uncertain. No tenesmus, no prolonged bleeding. She denies recent antibiotic
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g; use, NSAID overuse, or new medications. No weight loss or chronic GI
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g; symptoms. No known sick contacts at home. Sexual history: monogamous, denies
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recent receptive anal intercourse. Oral contraceptive user. No personal or family
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g; history of inflammatory bowel disease.
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She has been drinking mostly water but avoided solids; she reports feeling
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g; lightheaded when standing and has produced fewer wet diapers (possible
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mild volume depletion).
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4. Past Medical History (PMH)
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• Generally healthy g;




• No chronic GI disease
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• Up to date on immunizations
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5. Medications & Allergies g; g;




g; Medications:


• Combined oral contraceptive (ethinyl estradiol + levonorgestrel) daily
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