Information About Radiology
admin 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
Category SPECT Principle Term Single Photon Emission Definition of Single Photon Emission Detection Of Individual Gamma Photons Emitted From Radiotracer Notes About Single Photon Emission Uses Collimation For Spatial Localization
Category Diagnostic Monitoring Typical Use Acquire electrical signals from the heart for ECG recording. Description Disposable adhesive electrodes and lead wires placed on the chest and limbs to record the heart’s electrical activity for diagnostic ECG tracings, continuous monitoring, or telemetry transmission, with proper skin preparation and electrode placement essential for accurate signals. Lead misplacement, … Read more
Category Obstetrics Assisted Delivery Typical Use Assist vaginal delivery by applying controlled suction to the fetal scalp. Description A device that uses a soft or rigid suction cup attached to a vacuum pump to assist vaginal delivery by applying traction to the fetal head during maternal expulsive efforts, indicated in selected cases of prolonged second … Read more
Category Obstetrics Monitoring Typical Use Record and store fetal heart rate and contraction tracings for review. Description A battery powered CTG device that records fetal heart rate and uterine activity for ambulatory or clinic based monitoring, enabling data storage and transfer for clinician review and triage.