Q waves in the inferior leads [II, III, aVF] and T wave inversion in leads V5-V6)?
there is such a thing as a non-diagnostic Q wave. Typically they would have to be 1/3 the length of the QRS complex before indicating an old inferior infarct (in II, III, and aVF). The t-wave inversion in leads V5 and V6 could be non-specific T wave changes, and it would be best to compare it to an old ECG to see if this is a new finding. Hope this helps.
Why T-wave inverts in myocardial infarction?(in ECG)?
T-vector direction differentiates postpacing from ischemic T-wave inversion in precordial leads. Information from Industry Antibiotic Treatment for Many Outpatient and Inpatient Bacterial InfectionsLearn more about high-dose, short-course therapy, including PK/PD parameters, clinical benefits, and doctor and patient benefits. Medscape Newsletters Sign Up Sign Up To Receive Medscape Best Evidence Key journal articles ranked for newsworthiness and clinical relevance in each specialty, linked to Medline abstracts. Circulation. 2005; 111(8):969-74 (ISSN: 1524-4539) Shvilkin A; Ho KK; Rosen MR; Josephson ME Beth Israel Deaconess Medical Center, Boston, Mass 02215, USA. BACKGROUND: Postpacing precordial T-wave inversion (TWI), known as cardiac memory (CM), mimics ischemic precordial TWI, and there are no established ECG criteria that adequately distinguish between the two. On the basis of CM properties (postpacing sinus rhythm T vector approaching the direction of the paced QRS vector), we hypothesized that CM induced by right ventricular pacing would manifest a TWI pattern different from that of precordial ischemic TWI, thereby discriminating between the two. METHODS AND RESULTS: T-wave axis, polarity, and amplitude on a 12-lead ECG during sinus rhythm were compared between CM and ischemic patients. The CM group incorporated 13 patients who were paced in DDD mode with short atrioventricular delay for 1 week after elective pacemaker implantation. The ischemic group consisted of 47 patients with precordial TWI identified among 228 consecutive patients undergoing percutaneous coronary intervention for an acute coronary syndrome. The combination of (1) positive T(aVL), (2) positive or isoelectric T(I), and (3) maximal precordial TWI>TWI(III) was 92% sensitive and 100% specific for CM, discriminating it from ischemic precordial TWI. CONCLUSIONS: CM induced by right ventricular pacing results in a distinctive T-vector pattern that allows discrimination from ischemic precordial T-wave inversions regardless of the coronary artery involved.
Sooo scared I'm going to die from inverted t-waves on ecg?!?!?
So I've been to the hospital twice in the past three days and all ecg's have shown an inverted t-wave...None of the doctors seem to be concerned (Although family doctor didn't even mention the inverted wave) and said the test was perfect. All doctors didnt seem to be too concerned??? I am a 30 year old female, dont smoke or drink heavily. 140 lbs 5'7 so I would say healthy weight. I've been having horrible panic attacks the past few days which I what brought me there in the first place... I have been reading that they could be a sign on an upcoming heart attack which is making me panic further....Anyone have any thoughts on this? All my blood results eg, cardiac enzymes were all normal... Also, 4 months ago I received radioactive iodine treatment for hyperthyroidism so should be going hypo by now, could this affect the results? Now I feel like my life is ending at 30 :( I can't fathom leaving my baby girl! Please help!
Why are AVR inverted waves in ECG?
The electrical activity spreading towards the EKG electrode is recorded as positive/ upward wave. The electrical activity going away is recorded as negative/ downard wave. Electrical activity of the heart originates from the sino-atrial (SA) node which is located at the junction of right atrium and superior vena cava. In three dimension space, SA node is the most rightward and uppermost region of the heart. The electrical waveform spread towards the apex of the left ventricle which is a lowermost and most leftward structure. Therefore, aVR (augmented voltage on right arm) is negative since the electrical activity is going away from it.
Questions about EKG and Inverted T Waves?
I dont think you should freak out just yet. You are a symptomatic meaning you have no chest pain, no shortness of breath, no palpitations and on and on. EKG changes can be a normal variant unless your having symptoms of a heart attack or some other type cardiac symptoms. I almost wonder if the technician put the leads on incorrectly. Once you get a whole bunch of doctors in the line up. They can really whoop you up a gianormous bill when there is no problem. They are trying to protect themselves from a lawsuit in case out of some wild happenstance something would go wrong, and so they start covering all the bases and make a million dollars while they are doing it. Relax. Your fine or you would have symptoms of your heart doing crazy things. I am a heart patient, recently was ablated and went into an emergency surgery in the middle of the nite without any problems. I am 43 yrs old. Im also a nurse. I also need to add more....... A cardiologist will not put an OK on paper for you to have surgery. I know this because I work with many of them. They simply will offer suggestions to the surgeon to give you the best outcome in surgery. They may suggest a stress test ( more money) another ekg ( more money) or some other type labs and tests (more money). They will not put themselves in a position of saying you were ok for surgery just in case something happens and you decide to hire a lawyer and soo. No one in the medical field wants to be responsible for holding the bag. Anesthesia doesnt want law suits. You also have to understand this is because America has become soo happy. I have patients tell me they are going to get a lawyer and ask me my name and I spell it for them. Where I live, you can look the frivolous lawsuits up on the internet in our judicial district. Its crazier than you know. This is why physicians have to charge so much and cover, cover and cover their rear ends and make money while they are doing it. At this point of the game, I honestly think you should ask exactly what the cardiologist says your risk is for surgery and talk to the surgeon and anesthesia and get this mess behind you.
Any difference between "Nonspecific T wave changes" and "Inverted t-wave"?
The T wave is very labile and many normal changes can effect it such as hyperventilation, and mineral shifts in your blood. In other words it is a mild abnormality that cannot be specifically attributed to one condition. If your doctor has seen the EKG and especially if it is not changed compared to prior EKGs I wouldn't worry about. A scary T wave abnormality would be a deep and symmetrically inverted T wave which would be more specific for a blocked artery or heart attack.
What can cause inverted T waves on an EKG?
T-wave inversions can sometimes be signs of coronary ischemia, Wellens' syndrome, left ventricular hypertrophy, or a disorder of the central nervous system... or sometimes can be totally iodiopathic (no known reason or cause). They can also be caused by incorrect electrode placement.If you get T-wave inversions from a homeowner-grade EKG, you might show it to your doctor and have them pull a lab-grade EKG chart for you. There's nothing to lose by doing that, and it might make a huge difference in your future health.
Why would we get an inverted T-wave in V1 of an ECG of the right bundle branch block?
In any conduction abnormality, the ST-T complex “goes” in the direction opposite to that of the QRS complex and that’s the reason V1 has inverted ST-T complex in RBBB and upright ST-T complex in LBBB and that’s the reason it is difficult to diagnose an anterior wall MI in presence of LBBB as there already is ST elevation because of LBBB. But it’s not difficult to diagnose it in presence of RBBB as there is no ST segment elevation to begin with.
What causes inverted t-waves on an ekg?
T wave changes are non-specific. Inversions of the T waves can be caused by something benign, like hyperventilation or electrolyte changes, or by something severe like lack of blood flow to the heart. http://www.medhelp.org/forums/Cardio/mes... Lots of things can cause T wave inversion. You could have always had it, but high blood pressure, cardiomyopathy and ischemia are some causes. http://www.medhelp.org/forums/cardio/mes... Reasons for inverted T waves are numerous and may include ischemia, Heart attack, hyperventilation, Anxiety, certain medications, infections around the heart, pulmonary embolus (blood clot in the lung), electrolyte disturbance (abnormalities in sodium, potassium levels) etc. http://www.thedoctorslounge.net/cardiolo...