| Cardiovascular Function and Risk Factors | Lifetime | 32 | US 24 | 99.92 |
| Heart Rate Variability and Autonomic Control | Lifetime | 25 | US 10 | 99.81 |
| Cardiomyopathy and Myosin Studies | Lifetime | 16 | US 11 | 99.81 |
| Cardiac Arrhythmias and Treatments | Lifetime | 58 | US 26 | 99.77 |
| Congenital Heart Disease Studies | Lifetime | 55 | US 40 | 99.63 |
| Cardiac Valve Diseases and Treatments | Lifetime | 89 | US 57 | 99.77 |
| Cardiac pacing and defibrillation studies | Lifetime | 57 | US 29 | 99.75 |
| Hemodynamic Monitoring and Therapy | Lifetime | 57 | US 17 | 99.42 |
| Cardiac Imaging and Diagnostics | Lifetime | 160 | US 89 | 99.71 |
| Cardiac electrophysiology and arrhythmias | Lifetime | 148 | US 79 | 99.52 |
| Cardiovascular and exercise physiology | Lifetime | 105 | US 49 | 99.39 |
| Heart Failure Treatment and Management | Lifetime | 138 | US 72 | 99.44 |
| Cardiovascular Syncope and Autonomic Disorders | Lifetime | 80 | US 39 | 98.84 |
| Muscle activation and electromyography studies | Lifetime | 174 | US 64 | 99.12 |
| Vascular anomalies and interventions | Lifetime | 73 | US 53 | 98.74 |
| Cardiac Structural Anomalies and Repair | Lifetime | 263 | US 175 | 99.18 |
| Cardiovascular Effects of Exercise | Lifetime | 175 | US 88 | 98.75 |
| Acute Myocardial Infarction Research | Lifetime | 376 | US 181 | 98.82 |
| Health and Medical Research Impacts | Lifetime | 124 | US 69 | 96.54 |
| Pulmonary Hypertension Research and Treatments | Lifetime | 411 | US 198 | 97.94 |
| Cardiovascular and Diving-Related Complications | Lifetime | 164 | US 87 | 97.55 |
| Atrial Fibrillation Management and Outcomes | Lifetime | 820 | US 318 | 98.12 |
| Cardiovascular Health and Disease Prevention | Lifetime | 491 | US 205 | 97.75 |
| Aortic Disease and Treatment Approaches | Lifetime | 554 | US 283 | 97.82 |
| Cardiac Ischemia and Reperfusion | Lifetime | 500 | US 227 | 97.04 |
| Phonocardiography and Auscultation Techniques | Lifetime | 145 | US 55 | 94.30 |
| Non-Invasive Vital Sign Monitoring | Lifetime | 647 | US 179 | 95.21 |
| Coronary Artery Anomalies | Lifetime | 526 | US 260 | 95.47 |
| Cardiovascular Issues in Pregnancy | Lifetime | 809 | US 343 | 94.51 |
| Pain Management and Treatment | Lifetime | 410 | US 176 | 93.04 |
| Cardiovascular Conditions and Treatments | Lifetime | 492 | US 226 | 89.87 |
| Potassium and Related Disorders | Lifetime | 887 | US 410 | 85.91 |
| Coenzyme Q10 studies and effects | Lifetime | 814 | US 243 | 77.51 |
