A small amount of blood is taken from a vein in your arm with a needle. The blood is collected in tubes and sent to a lab. Ask your healthcare provider when and how you will get the results of the test. What does the test result mean? A PT/INR value higher than normal means your blood is taking longer than normal to form a clot. If you are taking a blood thinner, it means that the medicine is working. If you are not taking a blood thinner and your values are higher than normal, you may: Have liver disease
The normal heart rhythm (normal sinus rhythm) shows the electrical activity in the heart is following the normal pathway. The rhythm is regular and the node is normal (about 50 to 100 beats per minute).Tachycardia: fast heart rhythm (greater than 100 beats per minute).he normal heart rhythm (normal sinus rhythm) shows the electrical activity in the heart is following the normal pathway. The rhythm is regular and the node is normal (about 50 to 100 beats per minute).
Abnormal heart rhythms. An abnormal heart rhythm â sometimes called an arrhythmia â means your heart is beating too fast, too slow, or with an irregular pattern. Your heart has an electrical system that tells it when to beat and push blood around the body.