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By Medical Appware, LLC

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Unique to EchoLab among echocardiography applications is the powerful Analytic Engine, which synthesizes results from multiple calculations into a cohesive overview, with integration of 2015 ASE/EACVI cardiac chamber quantification guidelines and 2014 ACC/AHA guidelines for valvular heart disease. Go to for a full tour of EchoLab in action.

EchoLab presents the formulas and algorithms commonly used in the day-to-day operation of an echocardiography laboratory. Designed by a practicing cardiologist and echocardiographer, EchoLab provides a comprehensive framework for teaching the principles of quantitative echocardiography, or cardiac ultrasound, by demonstrating in detail the inter-relationships between these formulas. EchoLab is unique as an application for echocardiography in its wide scope and with its sharing of entered and calculated data between its many formulas (users do not need to re-enter data when shifting to a new calculation). Six Quick Entry views provide immediate access to a wide array of echocardiographic calculations.

EchoLab also displays all entered and calculated data with an assessment of each variable as normal or abnormal by adult criteria, if relevant. Available with each formula is a graphical display of the corresponding mathematical equation, along with tips for using the calculation and references from the medical literature.

Store scientific papers, slideshows, movies, photographs, and schematics for convenient reference in a user-customized library. Send any library file to a colleague as an E-mail attachment with a simple touch. Store a spreadsheet of active calculations and a pdf of output from the Analytic Engine in the library.

Calculations include:

• Aortic effective regurgitant orifice area
• Aortic energy loss index
• Aortic regurgitant fraction
• Aortic regurgitant vena contracta
• Aortic regurgitation index (for TAVR, from invasive pressure measurements)
• Aortic root assessment
• Aortic valve area (from velocity and velocity-time integrals, including dobutamine stress echocardiography)
• Aortic valve resistance
• Body mass index
• Body surface area
• Cardiac output and ejection fraction (area-length, Doppler, Dumesnil, Teichholz, and Simpson's methods)
• Diastology assessment algorithm (qualitative assessment of left atrial pressure and left ventricular diastolic function)
• Hemodynamic summary
• Left atrial pressure
• Left and right atrial volume and index
• Left ventricular diastolic diameter index
• Left ventricular dP/dt
• Left ventricular ejection fraction (simplified Quinones method)
• Left ventricular fractional shortening
• Left ventricular mass, mass index, and relative wall thickness
• Left ventricular myocardial performance index
• Maximum predicted heart rate (for dobutamine and exercise stress echocardiography)
• Maximum rate-pressure product (for exercise stress echocardiography)
• Mean arterial pressure
• Mitral effective orifice area (PISA and stroke volume methods)
• Mitral regurgitant fraction (PISA and stroke volume methods)
• Mitral regurgitant vena contracta
• Mitral valve area (continuity, PISA, and pressure half-time methods)
• Mitral valve resistance
• Mitral valvuloplasty score
• Pulmonary artery systolic pressure (using tricuspid regurgitant velocity, VSD flow velocity, or pulmonary artery acceleration time), diastolic pressure, and mean pressure
• Pulmonary capillary wedge pressure
• Pulmonary vascular resistance
• Right atrial pressure
• Right ventricular function: dP/dt, fractional area change, index of myocardial performance, lateral annular plane systolic excursion, and tricuspid annular plane systolic excursion (TAPSE)
• Shunt ratio (Qp:Qs)
• Systemic vascular resistance
• Tricuspid regurgitant vena contracta
• Tricuspid valve area (pressure half-time method)

Note that EchoLab is a teaching and reference application, not a tool for clinical diagnosis, clinical decision-making, or echocardiography report generation.

What's New in Version 4.5.3

• Minor update to correct the reference values used by the Analytic Engine to assess the severity of left ventricular hypertrophy (changing reference values from 2D method to linear method for left ventricular mass calculation).

iPhone Screenshots

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  • USD 4.99
  • Category: Medical
  • Updated:
  • Version: 4.5.3
  • Size: 17.6 MB
  • Language: English
  • Developer:
You must be at least 17 years old to download this application.
  • Infrequent/Mild Medical/Treatment Information
  • Unrestricted Web Access

Compatibility: Requires iOS 9.0 or later. Compatible with iPhone, iPad, and iPod touch.

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