cathmath.org
Developed by
Dr. Saro Avedikian, MD, MPH
Explore
Interactive Hemodynamic Tools
RHC Calculator
→
Right heart catheterization hemodynamics with Fick CO, PVR/SVR, Gorlin valve areas, PH classification, and full copy-paste reports.
Fick CO
PVR / SVR
Gorlin
PH Class
Hemodynamic Waveforms
→
Interactive hemodynamic waveform simulator with 12 lessons covering valvular disease, HOCM, constrictive vs restrictive, tamponade, and pulmonary hypertension.
Valvular Disease
HOCM
CP / RCM / Tamponade
Pulm HTN
PV Loop Simulator
→
Interactive pressure-volume loop simulator with 15 drugs, 18 diseases, 5 MCS devices, and real-time elastance model visualization.
Elastance
Drugs
MCS
Valve Disease
EKG Simulator
→
12-lead EKG simulator with coronary artery occlusion mapping, MI phase evolution, and special patterns including Wellens and De Winter.
12-Lead
STEMI
Coronary Map
Patterns
Cardiac Embryology
→
Interactive 3D cardiac development with 10 stages, animated cross-sections, congenital defect visualization, and board-relevant clinical pearls.
3D Animation
CHD
Cross-Sections
Board Prep
Action Potential
→
Cardiac action potential simulator showing how each Vaughan Williams class of antiarrhythmic reshapes the ventricular and pacemaker AP.
Vaughan Williams
22 Drugs
Vent + Pace
Ion Currents
Echo Hemodynamics Calculator
→
Doppler-derived hemodynamics, valvular pattern atlases, and the 2025 ASE diastolic algorithm — with animated spectral envelopes and clinical pitfalls.
PISA / Continuity
2025 Diastolic
CP vs RCM
Amyloid Strain
Coronary Angiography Views
→
See how the C-arm angle reshapes coronary anatomy on the screen — LAO/RAO and cranial/caudal sweeps with annotated LCA and RCA presets.
LAO / RAO
Cranial / Caudal
LCA + RCA
13 Presets
Intracoronary Physiology & Imaging
→
FFR, iFR, NHPRs, IVUS, OCT — animated Pa/Pd tracings, pullback gradient maps, three-layer cross-sections, and plaque morphology atlas.
FFR / iFR
Pullback
IVUS
OCT
In Your Pocket
iOS · iPhone & iPad
CathPal
→
Native hemodynamic calculator built for the cath lab — Fick & thermodilution CO, PVR/SVR, Gorlin, complete shunt oximetry, PH classification. Fully offline, no login.
$4.99 one-time
Offline
No account
EMR copy-paste
Download on the
App Store
