The heart has a regulatory system, known as the intrinsic conduction system, that determines the pace of the heartbeat. Learn about the intrinsic conduction system, including the SA node, AV node, the bundle of
Relate EKG, the cardiac cycle, and the heart sounds. What causes the ventricles to relax while the atria are contracting? Why is this important? Do the ventricles contract or relax to cause the first and second heart sound? What causes the change in heart rate with exe...
But if it’s a routine occurrence that’s got you stressed, there might be more to it than meets the eye. 3. Listen to yourself We’ve all had times when we can’t seem to stop venting about a particular issue. We think we’ve put it out of our minds, but when we talk ...
Faster heart rate Sweating and chills Trembling or shaking Irritability or nervousness Restless sleep Hunger When to See Your Doctor Some of the possible causes of pale lips can lead to serious health conditions. You should see your doctor if your lips start to become pale or they develop new ...
Think of an advance directive as a file of all your instructions about what you want done medically if you’re unable to communicate—including what happens with your body after you die (like organ donation). Sounds similar to a living will, right? But the difference between a living will ...
So you don't feel an instant connection, but you like what you see and think there could be potential if you couldjustfeel that spark. If this sounds familiar, you're probably wondering if chemistry can be created between people—or if it's something you either have or don't. "Tricky...
Heart palpitations or increased heart rates can develop as a result of the intense anxiety or stress. This can lead to increased blood pressure and the physical response causes the pupils to dilate and can cause the one to sweat. Here are some of the common physical symptoms: ...
Sounds interesting. Lisa: Well, the results are quite(). What do you think are the most popular things people buy online? Lily: Definitely, clothes. Lisa: No, at first I thought so too, but the results show that I'm wrong. Lily: How could that be? If the most popular thing being...
Emotional AI is pretty wild - machines that can read our feelings by analyzing facial expressions, voice tones, and even things like our heart rate. It sounds like something out of a sci-fi movie, right? Imagine a machine that “gets” you in a way that feels almost human. But here’...
If you think you are experiencing atrial fibrillation and have chest pain, feel faint, feel a very rapid heart rate (greater than 100 beats per minute), or have any signs or symptoms of a stroke, call 911 immediately or have someone call 911 for you. ...