VentRef vs CardioShift

VentRef is a focused clinical reference for clinicians managing invasive and noninvasive mechanical ventilation and oxygen therapy, grounded in core respiratory physiology and evidence-based critical care practice. This application is intended for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Calculations and reference values are derived from published peer-reviewed medical literature and textbooks cited in the Sources section of the app. Always seek the guidance of a qualified healthcare professional with any questions regarding medical conditions or clinical decisions, and do not disregard or delay seeking professional advice because of information provided by this app. About Rishi Kumar, MD, FACC ("RK.MD") I'm an adult cardiothoracic anesthesiologist and cardiovascular ICU intensivist practicing in academic medicine. I'm passionate about teaching with free, open-access medical education. Learn more on my site: https://rk.md

CardioShift is an offline quick-reference app for clinicians working in cardiac surgery and critical care — nurses, advanced practice providers, physicians, pharmacists, and trainees. Every card is built around what you actually need at the bedside: the number, the threshold, the drug, the "why" behind it — backed by cited trials and guidelines, not just opinion. WHAT'S INSIDE • Phenotypes & Staging — HFrEF/HFmrEF/HFpEF, ACC/AHA stages, NYHA class • GDMT — the four pillars, dosing, mortality data, ICU initiation pathways • Hemodynamics — normal ranges, what each number means, Frank-Starling explained simply • Cardiogenic Shock — SCAI stages, hemodynamics, causes, medical therapy, and escalation to mechanical support • The Right Ventricle — RV MI and RV failure, hemodynamics and treatment • Mechanical Circulatory Support — IABP, Impella, ECMO, and durable LVAD nursing considerations • Cardiothoracic Surgery — CABG, valve repair/replacement, cardiopulmonary bypass, aortic aneurysm repair, the Maze procedure, and LAA clips • Cardiac Drips — vasopressors and inotropes, mechanism and nursing watch-points • Post-Op Priorities — chest tubes, tamponade recognition, pacing wires, sternal precautions, glycemic control, and perioperative medications • Post-Cardiotomy Shock — hemodynamic differential and escalation pathway • Vasoplegia & Autonomic Dysfunction — what it is, risk factors, and management • Quiz Mode — 75+ questions to build and test recall, with your streak and best score saved on your device • Search — find any medication, trial, or clinical term across the entire app instantly • Bookmarks — save any card for quick access later • References — every trial and guideline cited in one place, with direct links WORKS OFFLINE CardioShift is built to work with no internet connection — everything you need ships with the app itself. YOUR DATA STAYS ON YOUR DEVICE Quiz scores, bookmarks, and preferences are stored locally on your device only. Nothing is transmitted anywhere. See our Privacy Policy in-app for details. IMPORTANT CardioShift is an educational reference for licensed healthcare providers and trainees. It is not a substitute for clinical judgment, your institution's protocols, or professional medical advice, and is not intended for use in diagnosing or treating any individual patient in real time. Not for emergency use.