Initial Problem Clarification
Comprehensive workup cannot be defined without the presenting complaint, acute versus chronic timing, and key symptom details. A condition-specific history, physical examination, and testing strategy should be selected after identifying the most likely differential diagnoses and any immediate threats to life or function.
History Taking (Comprehensive Core)
A complete history should include symptom characterization, timing, and severity.
- Chief complaint and symptom onset (date and time for acute presentations) [1]
- Symptom progression (improving, stable, worsening) [1]
- Location, quality, radiation, and associated symptoms [1]
- Severity assessment using a standardized scale when available [1]
- Review of systems targeting alarm features relevant to the differential diagnosis [1]
A complete history should include patient risk factors and exposures.
- Past medical history and prior similar episodes [1]
- Medication list including prescription, over-the-counter, supplements, and adherence [1]
- Allergies and prior adverse drug reactions [1]
- Social history including tobacco, alcohol, recreational substances, occupational exposures, travel, and sexual history as relevant [1]
- Family history of inherited or infectious conditions as relevant [1]
A complete history should include context for disposition and acuity.
- Functional status baseline and ability to perform activities of daily living [1]
- Prior diagnostic studies and results [1]
- Immunization history when relevant to infectious risk [1]
- Care setting factors including insurance barriers affecting follow-up [1]
Physical Examination (Comprehensive Core)
A complete physical examination should prioritize immediate threats and localizing findings.
- Vital signs including orthostasis and temperature when indicated [1]
- General appearance including distress, toxicity, and hydration status [1]
- Full head-to-toe exam with targeted maneuvers guided by symptoms (neurologic, cardiopulmonary, abdominal, musculoskeletal, skin) [1]
- Focused examination for red flags based on symptom cluster (for example, neurologic deficits, meningismus, respiratory distress, GI bleeding signs) [1]
Laboratory Studies (Stepwise, Indication-Guided)
Laboratory testing should follow symptom-based pathways rather than fixed panels.
- Baseline tests commonly considered in undifferentiated evaluation depending on acuity and risk (for example, complete blood count, comprehensive metabolic panel) [1]
- Urinalysis with reflex testing when urinary symptoms or systemic illness are possible [1]
- Pregnancy testing when applicable and relevant for medication selection and imaging safety [1]
- Infection testing when suggested by history, exam, or local epidemiology [1]
- Cardiac biomarkers and coagulation testing when cardiovascular or bleeding risk features are present [1]
Imaging (Stepwise, Risk-Adjusted)
Imaging selection should be driven by localization, suspected diagnosis, and contraindications.
- Plain radiography for selected thoracic or skeletal syndromes based on exam localization [1]
- Ultrasound for biliary, vascular, gynecologic, and certain soft-tissue indications when appropriate [1]
- CT for time-sensitive diagnoses when benefits outweigh radiation risk [1]
- MRI for neurologic, soft-tissue, and certain indeterminate findings requiring higher soft-tissue contrast [1]
Specialist Referrals (Indication-Guided)
Specialist referral should be based on the suspected system requiring expertise and on urgency.
- Emergency referral when time-critical life-threatening conditions are suspected based on vital sign abnormalities, hemodynamic instability, or severe neurologic deficits [1]
- Urgent specialty referral when significant organ-system pathology is probable or when initial evaluation suggests advanced disease [1]
- Routine specialty referral after initial stabilization when confirmation tests are required for definitive management planning [1]
Information Needed to Produce a Condition-Specific “Comprehensive Workup”
Condition-specific workup requires specification of the presenting problem.
- Presenting complaint and primary symptom(s) [1]
- Age and sex [1]
- Symptom onset and acuity (acute within hours, subacute days, chronic weeks-months) [1]
- Pertinent vital sign abnormalities and key exam findings [1]
- Relevant history (pregnancy possibility, immunosuppression, major comorbidities) [1]
Immediate Safety Screen (Before Testing)
Any workup should begin with rapid assessment for emergent features that require stabilization and immediate diagnostic pathways.
- Hemodynamic instability or severe hypoxia [1]
- Altered mental status or focal neurologic deficit [1]
- Severe respiratory distress, suspected sepsis, or concern for meningitis [1]
- Active bleeding or concern for critical hemorrhage [1]