MedReasons Diagnostic Engine Select the dominant presenting complaint
- Select - Fever Headache Chest pain Shortness of Breath Abdomen Pain Vomiting & Nausea Cough Dizziness & Vertigo Limb Weakness Altered Consciousness Palpitations Back Pain Painful Micturition Fatigue Weight Loss
Fever Module Fever (pyrexia) is a temporary, regulated increase in the body’s core temperature, typically above 38o C (100.4o F), initiated by the hypothalamus in response to infections, inflammation, or illness. It acts as a defense mechanism to combat pathogens.
Are any of the following present?
⚠ Clinical Warning !
Features suggest a potentially serious infection or systemic illness. Urgent medical evaluation is recommended.
How long has the fever been present?
What is the type of fever?
Are any associated symptoms present?
Any relevant exposures or risk factors?
Most Likely Diagnosis: Viral Febrile Illness Features suggest a self-limited viral infection.
Clinical Considerations
Supportive care and hydration are usually sufficient.
Most Likely Diagnosis: Urinary Tract Infection Features suggest a Urinary tract infection.
Clinical Considerations
Urinalysis and urine culture may be required.
Most Likely Diagnosis: Tuberculosis Suspicion Consider Tuberculosis
Clinical Considerations
Further evaluation including chest imaging may be necessary.
Most Likely Diagnosis: Malaria / Vector-borne Fever Possible Vector-Borne Infection
Clinical Considerations
Consider malaria or dengue depending on regional prevalence.
Blood tests may be required.
Headache Module A headache is pain or discomfort in the head, scalp, or neck, ranging from mild to severe, and is often caused by muscle tension, stress, or vascular changes rather than brain tissue pain.
Are there features suggestive of any life threatening secondary cause?
⚠ High-Risk Headache Pattern Detected
This presentation suggests possible secondary pathology such as:
Subarachnoid hemorrhage
Meningitis
Intracranial mass lesion
Temporal arteritis
Urgent neuroimaging and clinical evaluation are recommended.
How did the headache begin?
Duration of each episode?
Most Likely Diagnosis: Migraine Features suggest a primary neurovascular headache pattern.
Clinical Considerations
Trigger identification Acute abortive therapy Preventive therapy if frequent
Most Likely Diagnosis: Tension Type Headache Likely Stress Related or musculoskeletal origin.
Clinical Considerations
Stress Reduction Posture Correction Analgesics
Most Likely Diagnosis: Cluster Headache Trigeminal autonomic Cephalalgia Pattern.
Clinical Considerations
Most Likely Diagnosis: Sinus Headache Trigeminal autonomic Cephalalgia Pattern.
Clinical Considerations
Chest Pain Module Any discomfort, tightness, pressure, or burning felt between the neck and upper abdomen, acting as a potential indicator of serious cardiac, respiratory, or gastrointestinal issues.
Is there severe chest pain lasting more than 15 minutes with associated symptoms such as sweating, nausea/vomiting, breathlessness, radiation to the left arm/jaw/back, or sudden breathlessness?
⚠ Clinical Warning !
Features suggest a potentially serious infection or systemic illness. Urgent medical evaluation is recommended.
Where exactly is the pain located?
Does the pain increase on deep breathing or coughing?
Does the pain increase on pressing the chest wall?
Does the pain increase after meals or lying down?
Does the pain increase with physical exertion?
Most Likely Diagnosis: Costochondritis x
Clinical Considerations
Most Likely Diagnosis: GERD x
Clinical Considerations
Most Likely Diagnosis: Pleuritic pain x
Clinical Considerations
Most Likely Diagnosis: Cardiac Chest Pain x
Clinical Considerations
Dyspnoea Module Dyspnoea is a subjective sensation of uncomfortable or difficult breathing arising from diverse medical, environmental, psychological, and physiological factors.
Are any high-risk features present?
⚠ Clinical Warning !
These features may indicate a potentially life-threatening condition such as acute respiratory failure, pulmonary embolism, or severe cardiac disease.
Urgent medical evaluation is recommended.
When did the breathlessness begin?
Which symptoms accompany the breathlessness?
Any relevant risk factors?
Most Likely Diagnosis: Asthma Reasoning:
Suggested Evaluation:
• Peak expiratory flow or spirometry
Initial Clinical Management:
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