Health Softwares provides tools for cardiac electrophysiologists, cardiologists, cardiology fellows, internists, emergency room physicians, medical students, nurses, technicians, and other health care workers who deal with cardiac arrhythmias.

– Drug reference with creatinine clearance toolbar
– Creatinine clearance calculator
– Pacing tricks: Para-Hisian pacing and RV apex vs base pacing
– Drug dose calculators: dabigatran, dofetilide, rivaroxaban,
sotalol, apixaban and edoxaban
– Warfarin clinic weekly dose calculator
– Interval to rate conversion
– QTc calculator (Bazett, Fridericia, Sagie and Hodges formulas)
– Atrial fibrillation risk scores (CHADS2, CHA2DS2-VASc)
– Bleeding risk scores (HAS-BLED, HEMORR2HAGES)
– ICD in-hospital complication risk score
– Hypertrophic Cardiomyopathy risk score calculators
– Syncope risk scores (SF Rule, Martin, OESIL, EGSYS)
– CMS (Medicare) ICD guidelines calculator
– VT localization algorithms
– Epicardial vs endocardial VT
– Outflow tract VT
– Mitral annular VT
– WPW accessory pathway location (Arruda, Modified Arruda, D'Avila, and Milstein)
– Atrial tachycardia localization algorithm
– Entrainment mapping
– Date calculator
– Body weight calculator (ideal and adjusted body weight)
– Long QT diagnosis, subtypes and ECG patterns
– Long QT drugs
– Short QT syndrome diagnosis
– Brugada syndrome diagnosis
– Brugada drugs
– LVH ECG criteria, including Romhilt-Estes score and others
– Right ventricular hypertrophy criteria
– ARVC/D 1994 and 2010 diagnostic criteria
– Normal EP values
– Wide complex tachycardia algorithms
– Copy risk score results to the clipboard for pasting in reports
Classical electrophysiological techniques

Electrophysiology is the science and branch of physiology that pertains to the flow of ions in biological tissues and, in particular, to the electrical recording techniques that enable the measurement of this flow. Classical electrophysiology techniques involve placing electrodes into various preparations of biological tissue. The principal types of electrodes are:

simple solid conductors, such as discs and needles (singles or arrays, often insulated except for the tip),
tracings on printed circuit boards, also insulated except for the tip, and
hollow tubes filled with an electrolyte, such as glass pipettes filled with potassium chloride solution or another electrolyte solution.

The principal preparations include:

living organisms,
excised tissue (acute or cultured),
dissociated cells from excised tissue (acute or cultured),
artificially grown cells or tissues, or
hybrids of the above.

Optical electrophysiological techniques

Optical electrophysiological techniques were created by scientists and engineers to overcome one of the main limitations of classical techniques. Classical techniques allow observation of electrical activity at approximately a single point within a volume of tissue. Essentially, classical techniques singularize a distributed phenomenon. Interest in the spatial distribution of bioelectric activity prompted development of molecules capable of emitting light in response to their electrical or chemical environment. Examples are voltage sensitive dyes and fluorescing proteins.

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