What does a deep S wave indicate?
T HE presence of a deep S wave in leads. V1 or V2 is often interpreted as evidence. suggesting left ventricular hypertrophy.
What does a small S wave indicate?
You will also have seen a small negative wave following the large R wave. This is known as an S wave and represents depolarisation in the Purkinje fibres.
What does abnormal R wave mean?
Poor R-wave progression (PRWP) is a common ECG finding that is often inconclusively interpreted as suggestive, but not diagnostic, of anterior myocardial infarction (AMI). PRWP is defined by R wave height ≤ 3 mm in V3.
What are 3 common complications of a myocardial infarction?
Complications associated with myocardial infarction
- Disturbance of rate, rhythm and conduction.
- Cardiac rupture.
- Heart failure.
- Pericarditis.
- Ventricular septal defect.
- Ventricular aneurysm.
- Ruptured papillary muscles.
- Dressler’s syndrome.
How do you know if you have old myocardial infarction?
Observation of q or Q waves suggest a diagnosis of OLD inferior wall myocardial infarction (MI). Absence of ST segment elevation in inferior leads also contribute to the diagnosis of OLD inferior MI.
How is an anterior myocardial infarction treated?
All patients with a suspected myocardial infarction should be given aspirin. It is a powerful antiplatelet drug, with a rapid effect, which reduces mortality by 20%. Aspirin, 150-300 mg, should be swallowed as early as possible.
What is the drug of choice for myocardial infarction?
Analgesia and anti-emetics. The pain of myocardial infarction is usually severe and requires potent opiate analgesia. Intravenous diamorphine 2.5–5 mg (repeated as necessary) is the drug of choice and is not only a powerful analgesic but also has a useful anxiolytic effect.
Why is aspirin given in MI?
For primary prevention of cardiovascular disease, aspirin therapy significantly reduced the risk of the composite of cardiovascular events primarily by reducing the risk of ischemic stroke with no significant effect on the risk of MI in women and predominantly by reducing the risk of MI with no significant effect on …
What should I do after myocardial infarction?
- Stop smoking. If you smoke, giving up smoking is the single most effective way to reduce your risk of having a further heart attack.
- Change your diet. Changes in diet can make a big difference.
- Lower your cholesterol.
- Alcohol.
- Physical activity and exercise.
- Weight.
- Check your blood pressure regularly.
- Diabetes.
How long does it take to recover from myocardial infarction?
Most heart attack patients go back to work within two weeks to three months depending on the severity of the heart attack.