Items tagged “measurements”

7 results found
Article

Platybasia

Platybasia is characterized by abnormal flattening of the skull base as defined as a base of skull angle over 143º. Clinical presentation Platybasia alone does not usually cause symptoms unless it is associated with basilar invagination 6. Pathology Etiology congenital achondroplasia Dow...
Case

Basilar invagination measurements

Matt Skalski
Published 22 Jun 2016
44% complete
Diagram
Case

Dorsal tilt of the distal radius

  Diagnosis certain
Mikael Haggstrom
Published 21 Dec 2016
69% complete
Annotated image
Article

Stroke volume

The stroke volume (SV) is referred to as the volume of blood ejected into the aorta or main pulmonary artery during each cardiac cycle. The stroke volume index (SVI) is the stroke volume corrected for the body surface area (BSA). Usage The stroke volume is another integral parameter used for t...
Article

Anterior horn width

The anterior horn width is a marker of ventricular dilatation. It is predominantly used in prenatal and neonatal imaging to determine ventriculomegaly. Measurement The anterior horn width is the diagonal width of the anterior horn at its widest point in the coronal plane 1. In neonates, this i...
Article

Thalamo-occipital distance

The thalamo-occipital distance is a marker of ventricular size in infants. It is defined as the distance between the most posterior surface of the thalamus at its junction with the choroid plexus and the outermost point of the occipital horn in the parasagittal plane 1. See also ventricular in...
Article

Component separation index

The component separation index is a value used to quantify the degree of diastasis of the rectus abdominis muscles in the context of anterior abdominal wall hernias. Usage The mode of repair of midline abdominal wall hernias (often incisional hernias through laparotomy wounds) depends on the d...

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