What is heart rate variability and what does low heart rate variability indicate?

Dec 5, 2023 ... ... heart rates.15 Anxiety also is shown to be a predictor of cardiovascular disease and sudden cardiac death. Contact your healthcare provider ... Nov 11, 2021 ... worsening of heart failure; sudden cardiac arrest. Similar to sinus tachycardia, many people with sinus bradycardia have no symptoms. Some signs ... Atrial fibrillation: an irregular and often rapid heart rate. · Ventricular fibrillation: occurs when rapid and erratic electrical impulses cause the ventricles ... When the heart rate begins in the upper chambers of the heart, the condition ... Cardiac arrest. Treatment. Not everyone needs treatment for atrial ... Oct 27, 2020 ... Intubation Success Rate during Cardiac Arrest. 81%. 75%. 1. Maine EMS. Prehospital Treatment Protocols: Cardiac Arrest #1 (Red 8). (Dec. 1 ... These heart rhythm abnormalities may be life-threatening, and in some cases can cause a cardiac arrest. The best treatment for these dangerous heart rhythms ... A cardiac arrest can soon follow if the rhythm is not treated quickly. Ventricular Tachycardia (VT) A fast rhythm which causes the heart to pump less e ... Jan 17, 2024 ... Sudden cardiac arrest (SCA) occurs when an electrical issue causes your heart to stop beating and pumping blood suddenly. A heart attack may not be fatal, especially if you receive immediate medical attention and treatment, but it can still cause lasting damage to the heart. Stroke. Concussion and Sudden Cardiac Arrest Information. Concussion and Sudden Cardiac Arrest Form.