Bedside References
Guideline recommendations and checklists to pull up at the bedside. Each page condenses its source, keeps the class and level of evidence, and links to the original.
Sports cardiology
Devices and arrhythmia
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ICD Indications in Children
Every PACES 2021 ICD recommendation by condition and class, filterable, with the 2024 AHA/ACC HCM rows and the risk features named in the text.
PACES 2021 · AHA/ACC 2024 (HCM) -
Pacemaker Indications in Children
Every PACES 2021 pacemaker recommendation by condition and class, filterable, with the 2023 HRS rows on pacing site and resynchronization.
PACES 2021 · HRS/APHRS/LAHRS 2023
Aorta and genetic syndromes
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Aortopathy
How the aorta is indexed by age, rapid-growth definitions, and surgical thresholds by condition and gene, fetus to adult, with adult rows labelled.
AHA 2024 pediatric · ACC/AHA 2022 · MM 2024 -
Genetic Testing in Congenital Heart Disease
Which test to send for each lesion, 22q11.2 deletion and aneuploidy frequencies, when to refer, recurrence risk by affected relative, and cardiac screening by syndrome.
AHA 2018 · NSGC 2021 · ACMG 2021 · AHA 2014 fetal · AAP 2022
Repaired congenital heart disease
Coronary anomalies
Thrombosis and anticoagulation
Cardiomyopathy
Myocarditis
Echocardiography Echocardiogram calculators and references →
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LV and RV Systolic Function
EF, fractional shortening, GLS, TAPSE, FAC, s′, RV strain and RIMP: how to measure, neonatal and pediatric values, adult ASE grades.
ASE 2024 pediatric · neonatal · 2025 right heart -
Diastolic Function
What ASE recommends in children and neonates, preterm centiles, pediatric LA volume, filling-pressure studies, and the adult 2025 algorithm for comparison.
ASE 2024 pediatric · ASE 2025 (adult) -
Valve Regurgitation
MR, AR, TR and PR: the pediatric approach, pediatric study cut-offs, adult ASE grading tables, physiologic versus pathologic.
ASE 2017 · ASE 2024 pediatric · ASE 2014 tetralogy -
Valve Stenosis and Coarctation
Doppler versus catheter gradients, pediatric intervention thresholds (AHA 2011), adult grading, coarctation signs.
AHA 2011 · EACVI/ASE 2017 · EAE/ASE 2009 -
Prosthetic Valves
When to suspect stenosis in each position, prosthesis-patient mismatch, and the normal Doppler values for every valve model and size in the ASE 2024 appendix.
ASE 2024 prosthetic valves · Appendix Tables A1–A9 -
Strain: Normal Values
LV, RV and LA strain from preterm birth to 21 years by platform, neonatal reference intervals, z-score sources, adult limits.
Romanowicz 2023 · AEPC 2026 · ASE/EACVI 2025 -
Pulmonary Hypertension: Echo Assessment
Neonatal signs, pressure estimates, eccentricity index and RV/LV centiles, PAAT and TAPSE by age, risk tables and screening.
WSPH 2024 · EPPVDN 2019 · AHA/ATS 2015 -
Single Ventricle
FAC, area-length EF, dP/dt and MPI by stage, arch Doppler after Norwood, fenestration gradient and AV-valve regurgitation, with single-ventricle cohort values.
SVR trial · PHN Fontan · ASE 2024 · AHA 2019 -
PDA: Echo Assessment
Preterm PDA: the AAP 2025 suggested definition, small/moderate/large markers, the El-Khuffash and Iowa scores, how to measure.
AAP 2025 · ASE 2024 neonatal · NPE 2018
No reference matches. Try the search at the top of the page, which also covers the calculators.
These pages summarise published guidance for clinicians; they do not replace the source documents or clinical judgment. HeartCalc is a personal project and not an official site of any hospital or society.