Epistemis
Internal Medicine

Cardiology

20 calculators in this specialty.

Cardiac Output by Fick's Principle and Cardiac Index (CO / CI)Estimates the overall blood flow leaving the left ventricle and the cardiac index…
Systemic Vascular Resistance (SVR) and Pulmonary Resistance (PVR)Determines the resistance load faced by both ventricles. The result is expressed in Wood…
Corrected QT Interval (QTc) - Bazett, Fridericia and FraminghamCalculates and compares the correction of ventricular repolarization to accurately…
Aortic Valve Area (AVA) by Continuity EquationThe continuity equation is based on the physical principle of conservation of mass: the…
CHA₂DS₂-VASc Risk Scale for Atrial FibrillationStratifies the risk of cerebral thromboembolism in patients with non-valvular atrial…
HEART Score for Chest Pain in the Emergency RoomStratifies the risk of major adverse cardiac event (MACE) at 6 weeks in patients who…
TIMI Scale for Acute Coronary Syndrome without ST ElevationSeven variables of identical weight that predict death, infarction or urgent…
TIMI Scale for ST Elevation Infarction (30-day mortality)Weighted score from 0 to 14 derived from the InTIME-II trial. It estimates 30-day…
Killip-Kimball Classification in Acute InfarctionClinical classification—only physical examination, without tests—of the degree of left…
Modified Sgarbossa criteria (infarction with left bundle branch block)A left bundle branch block or a pacemaker rhythm deforms the ST and hides the infarction.…
Brugada Algorithm: Ventricular Tachycardia vs. Supraventricular Tachycardia with Wide QRSFour sequential steps applied in order: the first one that is affirmative diagnoses…
Left Ventricular Hypertrophy by Voltage Criteria (Sokolow-Lyon and Cornell)The three voltage criteria with the best performance on the same layout. The Cornell…
Mitral Valve Area by Hemipressure Time (Hatle) and Mean GradientHemipressure time measures how long it takes for the transmitral gradient to fall by…
Bedside Hemodynamics: Mean Blood Pressure, Pulse Pressure and Shock IndexFour derivatives from taking constants that no monitor shows together. Proportional pulse…
Duke Treadmill Score (ergometry prediction)Converts the stress test into an annual mortality forecast: it penalizes ST deviation and…
Canadian Syncope Risk Score (risk after syncope)Predicts the serious adverse event at 30 days in the patient who comes to the emergency…
Ejection Fraction and Ventricular Volumes by TeichholzDerives the ventricular volumes of two diameters in M mode. It is the fast route when…
Framingham Criteria for the Diagnosis of Heart FailureThe diagnosis requires two major criteria, or one major and two minor criteria,…
ADD-RS: Risk of Acute Aortic DissectionThree risk categories; The score is the number of categories with at least one trait…
Hemodynamic Classification of Pulmonary Hypertension (ESC/ERS 2022)The thresholds changed in 2022: pulmonary hypertension begins at an average pressure…