- Ear Exam with an Otoscope
- Ear Surgery
- Echinacea
- Echinococcosis
- Echocardiography
- Ectopic Pregnancy
- Edema
- Edwards' Syndrome
- Ehlers-Danlos Syndrome
- Ehrlichiosis
- Electric Shock Injuries
- Electrical Nerve Stimulation
- Electrical Stimulation of the Brain
- Electrocardiography
- Electroconvulsive Therapy
- Electroencephalography
- Electrolyte Disorders
- Electrolyte Tests
- Electromyography
- Electronic Fetal Monitoring
- Electrophysiology Study of the Heart
- Elephantiasis
- Embolism
- Emphysema
- Empyema
- Encephalitis
- Endarterectomy
- Endocarditis
- Endometrial Biopsy
- Endometrial Cancer
