Information About Radiology
admin Category 3D Technique Term Stereoradiography Definition of Stereoradiography Two Radiographs Taken From Different Angles To Provide Depth Perception And Measurement Notes About Stereoradiography Used In Orthodontics And Some Skeletal Assessments
Category Doppler Measurement Term Pulsatility Index (PI) Definition of Pulsatility Index (PI) Index Of Flow Pulsatility Calculated From Spectral Waveform Notes About Pulsatility Index (PI) Used In Cerebral And Peripheral Vascular Studies
Category Vascular Access Monitoring Typical Use Continuous invasive arterial pressure monitoring and arterial blood sampling. Description A sterile kit containing components for placement of a radial, femoral, or other peripheral arterial catheter to provide continuous beat to beat arterial pressure monitoring and repeated arterial blood sampling. The kit typically includes an arterial catheter, introducer needle, … Read more
Category Diagnostic Imaging Typical Use High contrast soft tissue imaging without ionizing radiation. Description A magnet based imaging system that uses radiofrequency pulses and magnetic field gradients to produce high contrast images of soft tissues, central nervous system structures, musculoskeletal anatomy, and vascular flow without ionizing radiation. MRI is invaluable for neurologic, musculoskeletal, and oncologic … Read more
Category Diagnostic Typical Use Assess hearing and bone conduction; vibratory sensation. Description A metal fork that produces a fixed frequency tone when struck, used in clinical tests such as Rinne and Weber to differentiate conductive from sensorineural hearing loss and to assess vibratory sensation in neurologic examinations. Tuning forks of different frequencies (commonly 128 Hz … Read more
Category Measurement Tool Term Ruler Definition of Ruler Standard Ruler For On Screen Or Film Measurements And Calibration Notes About Ruler Used For Size Reference
Category Dermatology Procedural Typical Use Remove superficial skin lesions for diagnosis or therapy. Description A technique using a razor blade or disposable blade to shave off epidermal and superficial dermal lesions such as seborrheic keratoses or superficial basal cell carcinomas for diagnostic histology or therapeutic removal, typically performed under local anesthesia in outpatient settings. Shave … Read more
Category Pulmonary Intervention Typical Use Maintain airway patency in malignant or benign central airway obstruction. Description Self expanding metallic or silicone stents deployed endoscopically to scaffold narrowed tracheobronchial segments caused by tumor, strictures, or external compression, restoring airflow and relieving dyspnea when resection is not feasible. Stent selection, sizing, and placement technique are tailored to … Read more
Category Hybrid Imaging Issue Term Attenuation Correction CT Artifact Definition of Attenuation Correction CT Artifact CT Derived Artifacts Such As Metal Or Contrast Causing Incorrect PET Attenuation Correction Notes About Attenuation Correction CT Artifact Recognize And Review Non Corrected PET If Needed
Category Audiology Diagnostic Typical Use Assess middle ear compliance and Eustachian tube function. Description A device that varies air pressure in the external auditory canal while measuring tympanic membrane mobility to detect middle ear effusion, tympanic membrane perforation, or ossicular fixation, commonly used in pediatric and ENT evaluations. Tympanometry provides objective data on middle ear … Read more