ECHOSUITE
Echocardiography, from acquisition to calculation.
Explore the probe position, acquire the measurement, and understand the calculation. EchoSuite brings 3D probe training and 70 echo calculators together in your browser.
Not sure where to start?
Choose a learning path for your first echo views, aortic stenosis, LV volumes or the right heart. Teaching resources include focused links for a session or course page.
Find a measurement guide
Each guide lists the tool’s inputs, units, acquisition steps, formula and references, with a link to the interactive calculator.
Stenosis
- Aortic valve area calculator: continuity equation and stress echoLVOT diameter · LVOT VTI · Aortic valve VTI
- Mitral valve area calculator: pressure half-timeMitral pressure half-time
- Mitral valve area calculator: continuity equationLVOT diameter · LVOT VTI · Mitral inflow VTI
- Mitral stenosis · PISA valve area calculatorPISA radius · Aliasing velocity · Peak mitral velocity
- Tricuspid stenosis · significance calculatorMean tricuspid gradient · Pressure half-time · Tricuspid inflow VTI
- Pulmonic stenosis · peak gradient calculatorPeak pulmonic velocity
Regurgitation
- Aortic regurgitation PISA calculatorPISA radius · Aliasing velocity · AR Vmax
- Aortic regurgitation calculator: continuity methodLVOT diameter · LVOT VTI · Mitral annulus diameter
- Mitral regurgitation PISA calculator: EROA and regurgitant volumePISA radius · Aliasing velocity magnitude · MR Vmax
- Mitral regurgitation calculator: continuity methodLVOT diameter · LVOT VTI · Mitral annulus diameter
- Tricuspid regurgitation calculator: PISA quantificationPISA radius · Aliasing velocity · TR Vmax
- Pulmonic regurgitation · continuity calculatorRVOT diameter · RVOT VTI · LVOT diameter
Filling pressures
- Left atrial pressure calculator: E/e′ methodMitral E velocity · Septal e′ · Lateral e′
- Left atrial pressure calculator: mitral regurgitation velocitySystolic blood pressure · MR Vmax
- Left atrial volume index calculator: LAVIBiplane LA volume · Body surface area · LAVi
- Left ventricular pressure calculatorMR peak systolic velocity · Independent LAP estimate · Diastolic blood pressure
- Diastolic function assessment: sinus rhythmMitral E/A ratio · Septal e′ · Lateral e′
- Diastolic assessment in atrial fibrillationMitral E velocity · Septal E/e′ · TR peak velocity
- Diastolic assessment in mitral annular calcificationMitral E/A ratio · IVRT
- Diastolic assessment in mitral stenosisIVRT · Mitral A peak velocity · IVRT / T(E−e′)
- Diastolic assessment in significant mitral regurgitationIVRT · Pulmonary vein Ar duration · Mitral A duration
- Diastolic assessment in hypertrophic cardiomyopathyAverage E/e′ · Pulmonary vein Ar − mitral A duration · TR peak velocity
- Diastolic assessment in restrictive cardiomyopathyAverage E/e′ · Mitral E deceleration time · Mitral E/A ratio
- Diastolic assessment in sinus tachycardiaIVRT · Pulmonary vein systolic filling fraction · Average E/e′
- Diastolic exercise echocardiography assessmentExercise average E/e′ · Exercise septal E/e′ · Exercise TR velocity
- Diastolic assessment in pulmonary hypertensionMitral E/A ratio · Mitral E velocity · LA reservoir strain
- Diastolic assessment after heart transplant: sinus rhythmAverage E/e′ · Mitral E / SRIVR · TR peak velocity
- Diastolic assessment with a left ventricular assist deviceMitral E/A ratio · Right atrial pressure · PASP
Ventricular function
- Left ventricular fractional shortening calculatorLVIDd · end-diastole · LVIDs · end-systole
- Left ventricular dimensions calculator and measurement guideLV internal diameter · Body surface area
- Left ventricular mass and wall thickness calculatorLVIDd · PWd · IVSd
- Left ventricular volume index calculator: EDV and ESVEnd-diastolic volume · End-systolic volume · Body surface area
- Left ventricular ejection fraction calculator: LVEFEnd-diastolic volume · End-systolic volume · Body surface area
- Global longitudinal strain calculator: LV GLS and serial changeCurrent GLS · signed · Baseline GLS · signed
- LVOT stroke volume and cardiac output calculatorLVOT diameter · LVOT PW VTI · Heart rate at acquisition
- Aortic size and diameter index calculatorMeasured diameter · Body surface area
- Wall motion score index calculator: WMSI
Right heart & PA
- Right atrial pressure assessment: IVC and hepatic vein flowIVC diameter · End-expiratory maximum · Sniff minimum
- Right atrial size calculator and measurement guideRA volume · Body surface area · RA major dimension
- Right ventricular size calculator and measurement guideRVD1 · basal · RVD2 · mid · RVD3 · length
- Right ventricular function calculator: TAPSE, FAC and couplingTAPSE · Lateral tricuspid S′ · End-diastolic area
- RVSP and PASP calculator: tricuspid regurgitation velocityTR Vmax · Estimated RAP · Peak pulmonic (RVOT) gradient
- Pulmonary artery pressure calculatorPR end-diastolic velocity · PR early-diastolic peak velocity · Mean RV–RA gradient
- Mean pulmonary artery pressure calculator: RVOT acceleration timeRVOT acceleration time · Heart rate
- Pulmonary vascular resistance calculator: echo Doppler methodTR Vmax · RVOT VTI
- RV myocardial performance index calculatorTricuspid closure-to-opening time · Isovolumic contraction time · Isovolumic relaxation time
- Body surface area calculator: height and weightHeight · H · Weight · W
Pericardium
- Pericardial effusion size measurement guide and calculatorMaximum end-diastolic separation
- Mitral inflow · respiratory variation calculatorExpiratory Eₑ · Inspiratory Eᵢ
- Tricuspid inflow · respiratory variation calculatorExpiratory Eₑ · Inspiratory Eᵢ
- LVOT · respiratory variation calculatorExpiratory peak Vₑ · Inspiratory peak Vᵢ · Expiratory VTIₑ
- Hepatic vein · expiratory reversal calculatorExpiratory Dᵣ reversal · Expiratory D forward
- Annulus reversus · medial / lateral e′ calculatorMedial e′ · Lateral e′
Shunts & congenital
- Qp/Qs calculator: pulmonary to systemic flow ratioRVOT maximal-systolic diameter at PW site · RVOT VTI · LVOT maximal-systolic diameter at PW site
- Atrial septal defect: shunt and Doppler calculatorRVOT diameter at the PW sample · RVOT VTI · LVOT diameter at the PW sample
- VSD · size & right-heart pressure calculatorSystolic blood pressure · Peak VSD velocity · Independent LVEDP
- PDA · shunt & PA pressure calculatorPeak systolic PDA velocity · Systolic blood pressure · Complete-cycle mean gradient
- Coarctation · anatomy & gradients calculatorProximal peak velocity V₁ · Coarctation peak velocity V₂ · Traced systolic mean gradient
- Fontan · circulation & gradients calculatorTraced mean gradient
Prosthetic valves
- Aortic prosthetic valve calculator: EOA, DVI and PPMLVOT VTI · Prosthesis VTI · LVOT diameter
- Surgical aortic prosthesis · obstruction calculatorPeak velocity · Mean gradient · DVI · LVOT VTI ÷ prosthesis VTI
- Aortic prosthesis · serial comparison calculatorBaseline mean gradient · Current mean gradient · Baseline DVI
- Mitral prosthetic valve calculator: EOA, DVI and PPMLVOT VTI · Mitral prosthesis VTI · LVOT diameter
- Mitral prosthesis · obstruction calculatorPeak velocity · Mean gradient · DVI · prosthesis VTI ÷ LVOT VTI
Ultrasound physics
- Wave relationships calculatorTransmit frequency · Sound speed · Cycles per pulse
- Pulse repetition and Nyquist calculatorSample depth · Pulse repetition frequency · Pulse duration · PD
- Pulse length and near field calculatorTransmit frequency · f · Sound speed · c · Cycles per pulse · n
- Doppler equation calculatorShift magnitude · |Δf| · Blood speed · v · Transmit frequency · fₜ
- Acoustic impedance and intensity calculatorDensity · ρ · Sound speed · c · Medium 1 · Z₁
- Poiseuille flow calculatorTube radius · r · Tube length · L · Dynamic viscosity · η
Practice the echo views
Explore the online echo simulator.
Probe Lab combines a 3D mannequin and probe, simulated imaging, clinical reference cines, view targets and acquisition coaching.
- Parasternal long axis
- Apical four chamber
- Subcostal four chamber
- Subcostal IVC long axis
- Abdominal aorta long axis
- Suprasternal notch, aortic arch
- Parasternal short axis, aortic valve level
- Parasternal short axis, mitral valve level
- Parasternal short axis, papillary muscle level
- Parasternal short axis, apical level
- RV inflow
- RV outflow
- Apical five chamber
- Apical two chamber
- Apical three chamber (apical long axis)
About EchoSuite
About the creator, sources and educational scope.
Created by Mohammed Kamareddine, MD. Teaching figures link to acquisition notes and their sources; third-party anatomy and clinical media retain their listed licences.
Contact and feedback · Instagram @mkamareddine · Tools & resources