Medical Tests
Explore lab tests, blood work, and imaging exams with plain-language preparation and overview pages.
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Tests starting with R (4,122)
Imaging
Right ventricular Major axis diastole [Length] by US.2D.A4C
Imaging
Right ventricular Major axis diastole maximum [Length] by US 2D
Other
Right ventricular Mass by MR
Other
Right ventricular Mass index by MR
Imaging
Right ventricular Mean pressure gradient by US.doppler
Imaging
Right ventricular Minimum major axis during systole [Length] by US 2D
Imaging
Right ventricular Minor axis at end diastole [Length] by US 2D
Imaging
Right ventricular Minor axis at end diastole [Length] by US.2D.A4C
Imaging
Right ventricular Minor axis at end diastole.parasternal long axis [Length] by US 2D
Imaging
Right ventricular Minor axis at end systole [Length] by US 2D
Imaging
Right ventricular Minor axis.maximum [Length] by US 2D
Imaging
Right ventricular Myocardial performance index (Tei) by US.doppler
Other
Right ventricular Oxygen saturation
Imaging
Right ventricular Peak pressure gradient by US.doppler
Imaging
Right ventricular Pre ejection time by US
Imaging
Right ventricular Pre ejection time by US.doppler+ECG
Other
Right ventricular Stroke volume by 2D echo
Other
Right ventricular Stroke volume by Angiography biplane
Other
Right ventricular Stroke volume by Angiography single plane
Other
Right ventricular Stroke volume by Fick method
Other
Right ventricular Stroke volume by Indicator dilution
Other
Right ventricular Stroke volume by MR
Other
Right ventricular Stroke volume by Nuclear blood pool
Other
Right ventricular Stroke volume by Spiral CT
Imaging
Right ventricular Stroke volume by US 2D pulmonic valve flow area calculated
Imaging
Right ventricular Stroke volume by US 2D tricuspid valve calculated
Imaging
Right ventricular Stroke volume by US.continuity.VTI+Diameter
Other
Right ventricular Stroke volume by US.doppler
Other
Right ventricular Stroke volume index by 2D echo
Other
Right ventricular Stroke volume index by Angiography biplane
Other
Right ventricular Stroke volume index by Angiography single plane
Other
Right ventricular Stroke volume index by Fick method
Other
Right ventricular Stroke volume index by Indicator dilution
Other
Right ventricular Stroke volume index by MR
Other
Right ventricular Stroke volume index by Nuclear blood pool
Other
Right ventricular Stroke volume index by Nuclear.myocardial
Other
Right ventricular Stroke volume index by Spiral CT
Other
Right ventricular Stroke volume index by US.doppler
Other
Right ventricular Stroke work
Other
Right ventricular Stroke work index
Imaging
Right ventricular Systolic time by US.doppler
Imaging
Right ventricular Ventricular function by US
Imaging
Right ventricular Volume by estimated by US
Other
Right ventricular Work [Energy]
Imaging
Right ventricular anterior wall Fractional thickening freewall by US
Imaging
Right ventricular anterior wall Thickness at end diastole by US 2D
Imaging
Right ventricular anterior wall Thickness at end diastole by US.M-mode
Imaging
Right ventricular anterior wall Thickness during diastole by US
Imaging
Right ventricular anterior wall Thickness during systole by US
Imaging
Right ventricular base Minor axis at end diastole [Length] by US.2D.A4C
Imaging
Right ventricular mid-cavity Minor axis at end diastole [Length] by US.2D.A4C
Imaging
Right ventricular outflow tract Blood velocity-time integral by US.doppler
Imaging
Right ventricular outflow tract Diameter US
Imaging
Right ventricular outflow tract Diameter by US 2D
Imaging
Right ventricular outflow tract Maximum blood flow velocity during systole by US.doppler
Imaging
Right ventricular outflow tract Mean blood flow velocity by US.doppler
Imaging
Right ventricular outflow tract Mean systole pressure gradient by US.doppler
Other
Right ventricular outflow tract Oxygen saturation
Imaging
Right ventricular outflow tract Region crossection [Area] by US+Calculated
Imaging
Right ventricular outflow tract Velocity-time integral during systole by US.doppler
Imaging
Right ventricular outflow tract distal Diameter at end diastole by US.2D.PSAX
Imaging
Right ventricular outflow tract proximal Diameter at end diastole by US.2D.parasternal
Imaging
Right ventricular outflow tract proximal Diameter by US.2D.PSAX
Other
Right visual pathway Functional findings [Interpretation]
Other
Right visual pathway Functional findings [Interpretation] VEP
Other
Rigid proctosigmoidoscopy Study observation
Other
Rigid proctosigmoidoscopy Study observation Narrative
Other
Rigidity Lower extremity - left [UPDRS]
Other
Rigidity Lower extremity - right [UPDRS]
Other
Rigidity Neck [UPDRS]
Other
Rigidity Upper extremity - left [UPDRS]
Other
Rigidity Upper extremity - right [UPDRS]
Blood test
Rilpivirine [Mass/volume] in Serum or Plasma
Other
Rilpivirine [Susceptibility] by Genotype method
Other
Rilpivirine [Susceptibility] by Phenotype method
Blood test
Rinderpest virus Ab [Measurement] in Serum
Blood test
Rinderpest virus Ab [Presence] in Serum
Blood test
Rinderpest virus Ab [Presence] in Serum by Immunoassay
Blood test
Rinderpest virus Ab [Titer] in Serum
Blood test
Rinderpest virus Ab [Units/volume] in Serum
Other
Rinderpest virus Ag [Measurement] in Exudate
Other
Rinderpest virus Ag [Presence] in Exudate
Other
Rinderpest virus Ag [Presence] in Exudate by Immune diffusion (ID)
Other
Rinderpest virus Ag [Presence] in Exudate by Immunoelectrophoresis
Other
Rinderpest virus Ag [Presence] in Specimen
Other
Rinderpest virus Ag [Presence] in Specimen by Immunofluorescence
Other
Rinderpest virus Ag [Units/volume] in Specimen
Other
Rinderpest virus Ag [Units/volume] in Specimen by Immunoassay
Other
Rinderpest virus Ag [Units/volume] in Tissue by Immunoassay
Other
Rinderpest virus RNA [Presence] in Specimen by NAA with probe detection
Blood test
Rinderpest virus neutralizing antibody [Presence] in Serum by Neutralization test
Blood test
Rinderpest virus neutralizing antibody [Titer] in Serum by Neutralization test
Other
Ring finger arteries - left Systolic blood pressure
Other
Ring finger arteries - right Systolic blood pressure
Blood test
Risankizumab Ab [Mass/volume] in Serum or Plasma by Immunoassay
Blood test
Risankizumab Ab panel - Serum or Plasma
Blood test
Risankizumab [Mass/volume] in Serum or Plasma
Other
Rise time setting Ventilator
Blood test
Risedronate induced platelet IgG Ab [Presence] in Serum or Plasma by Flow cytometry (FC)
Blood test
Risedronate induced platelet IgM Ab [Presence] in Serum or Plasma by Flow cytometry (FC)