Diagnosis by Clinical Pattern
Crushing chest + ST elevation → STEMINot dissection: tearing pain
Pink frothy sputum + crackles → Acute LVFNot pneumonia: fever present
Irregularly irregular + no P waves → AFNot flutter: sawtooth
Syncope on exertion + carotid murmur → Aortic StenosisNot MR: apex radiating
EF 30% + orthopnea → HFrEFNot HFpEF: EF preserved
Midsystolic click + posture change → MVPNot HCM: Valsalva louder
Bark-like cough + stridor + night → CroupNot epiglottitis: no drooling
Hematuria + renal mass → RCCNot UTI: no mass
Sudden vision loss + cherry red → CRAONot detachment: no floaters
RAPD + eye exam → Optic NeuritisNot glaucoma: IOP normal
Unilateral purulent nasal discharge → Bacterial SinusitisBilateral = allergic
Abnormal Pap + dysplastic cells → CINNot invasive cancer yet
Non-reducible + tender hernia → StrangulatedEmergency, not elective
Postmenopausal bleeding → Endometrial CancerCancer until proven
Fever + rash + conjunctivitis → Kawasaki DiseaseNot measles: no Koplik
Tremor + rigidity + bradykinesia → Parkinson DiseaseNot essential: resting
Auditory hallucinations + paranoia → SchizophreniaNot bipolar: no mania
Moon face + purple striae → Cushing SyndromeNot Addison: hypotension
Hyperpigmentation + hypotension → Addison DiseaseNot Cushing: hypertension
Heat intolerance + AF → Graves DiseaseNot toxic nodule: diffuse
Low C-peptide + polyuria → Type 1 DMNot type 2: high C-peptide
Episodic HTN + headache → PheochromocytomaNot anxiety: VMA elevated
Malar rash + photosensitivity → SLENot rheumatoid: symmetric
Dysphagia + Raynaud + sclerodactyly → SclerodermaNot CREST: diffuse
RS cells + painless lymphadenopathy → Hodgkin LymphomaNot NHL: RS cells