At V3 or V4, these waves are usually equal. This is called the transitional zone. ST segment: isoelectric, slanting upwards to the T wave in the normal ECG can be slightly elevated up to 2. T wave: T wave deflection should be in the same direction as the QRS complex in at least 5 of the 6 limb leads normally rounded and asymmetrical, with a more gradual ascent than descent should be upright in leads V2 - V6, inverted in aVR amplitude of at least 0.
Cardiomyopathies are usually associated with other ECG findings. By the process of elimination, this leaves "normal variant" as the most probable explanation for the relative increase of R wave amplitude in lead V 1. Careful physical examination is advised to ensure no abnormal cardiac findings. Consideration should be given to obtaining an echocardiogram to rule out occult structural cardiac abnormality.
Reprints Share. Report Abusive Comment Thank you for helping us to improve our forums. Speaking as a programmer, it's a little bit of a shortcut, so that if there is a rhythm problem but everything else is good, they can simply put " [rhythm message here] otherwise normal ECG". Better programming would be to omit the "otherwise" when the sinus rhythm is normal. Now, realize that the machine is simply applying preformatted parameters, and that when it says normal, it just means that your readings fit into what it has defined as normal.
It is possible that there is some small thing that doesn't look out of place to the machine but would to a trained cardiologist. I don't say that to alarm you, but just to show you how the machine interprets it. By saying otherwise normal ECG, of course creates unnecessary suspicion. Modern machines are improved in doing an automatic diagnosis better wording too.
Nevertheless, I have deactivated the automatic diagnosis in my office, for such events exactly. They can create idiotic worries to the patients and are a cause for wasting our time. That sinus is the normal rhythm of the heart can be verified in millions of authoritative sources. As an example I direct. Now, there are some peculiarities in this, but for all intents and purposes and as a general knowledge it's more than enough. Do not share personal medical information, medical history or any other specific details about a person's medical symptoms, condition etc whether yours or someone you know on this site or any Stack Exchange site.
This is a public Site and all posts on this Site can be seen by anyone and may be shared freely with others. Medical Sciences Stack Exchange is not a substitute for medical advice, individualized diagnosis or treatment by a healthcare provider. Should I be worried? Is there further testing I should have? I am happy to say that usually, Bonnie, for a person like you, who has a normal heart structure and a normal exercise stress test with good exercise tolerance, the prognosis is excellent, even with inverted T-waves.
T-waves are a part of a normal electrocardiogram EKG , representing the electrical recovery or repolarization of the ventricles, the lower chambers of the heart, after a contraction, or heartbeat.
There are many reasons why T-waves can be inverted. We can see inverted T-waves, for instance, in the midst of a heart attack and in structural heart disease, such as coronary ischemia or left ventricular hypertrophy.
I have followed some patients like this for years that have never had a problem.
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