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Ratio between lengths of fingers and/or toes that is sometimes characteristic of an exposure to ENDOCRINE DISRUPTORS during FETAL DEVELOPMENT.

Ultrasonic recording of the size, motion, and composition of the heart and surrounding tissues. The standard approach is transthoracic.

Measurement of intracardiac blood flow using an M-mode and/or two-dimensional (2-D) echocardiogram while simultaneously recording the spectrum of the…

Echocardiography applying the Doppler effect, with the superposition of flow information as colors on a gray scale in a real-time image.

Echocardiography applying the Doppler effect, with velocity detection combined with range discrimination. Short bursts of ultrasound are transmitted …

Dynamic three-dimensional echocardiography using the added dimension of time to impart the cinematic perception of motion. (Mayo Clin Proc 1993;68:22…

A method of recording heart motion and internal structures by combining ultrasonic imaging with exercise testing (EXERCISE TEST) or pharmacologic str…

Echocardiography amplified by the addition of depth to the conventional two-dimensional ECHOCARDIOGRAPHY visualizing only the length and width of the…

Ultrasonic recording of the size, motion, and composition of the heart and surrounding tissues using a transducer placed in the esophagus.

Use of reflected ultrasound in the diagnosis of intracranial pathologic processes.

Recording of brain electrical activities in which the electrodes are placed directly on the CEREBRAL CORTEX.

Recording of electric currents developed in the brain by means of electrodes applied to the scalp, to the surface of the brain, or placed within the …

Adjustment of BRAIN WAVES from two or more neuronal groups within or across a brain structure (e.g., cortical and limbic brain structures) to become …

Radiographic technique combining a photoelectric recording system with fluoroscopy. It is used especially with electrocardiography to study heart mot…

Recording of nystagmus based on changes in the electrical field surrounding the eye produced by the difference in potential between the cornea and th…

Recording of the average amplitude of the resting potential arising between the cornea and the retina in light and dark adaptation as the eyes turn a…

An electrophoretic technique for assaying the binding of one compound to another. Typically one compound is labeled to follow its mobility during ele…

Methods to induce and measure electrical activities at specific sites in the heart to diagnose and treat problems with the heart's electrical system.

Recording of electric potentials in the retina after stimulation by light.

Any method of measuring the amount of work done by an organism, usually during PHYSICAL EXERTION. Ergometry also includes measures of power. Some ins…

Analysis of the HYDROGEN ION CONCENTRATION in the lumen of the ESOPHAGUS. It is used to record the pattern, frequency, and duration of GASTROESOPHAGE…

Endoscopic examination, therapy or surgery of the esophagus.

The weight of the FETUS in utero. It is usually estimated by various formulas based on measurements made during PRENATAL ULTRASONOGRAPHY.

Use of a device (film badge) for measuring exposure of individuals to radiation. It is usually made of metal, plastic, or paper and loaded with one o…

Measurement of light given off by fluorescein in order to assess the integrity of various ocular barriers. The method is used to investigate the bloo…

The rate of airflow measured during a FORCED VITAL CAPACITY determination.

A change in electrical resistance of the skin, occurring in emotion and in certain other conditions.

Passage of food (sometimes in the form of a test meal) through the gastrointestinal tract as measured in minutes or hours. The rate of passage throug…

Graphic displays of height and weight showing development over time.

Force exerted when gripping or grasping.