Why is nitroglycerin contraindicated in right sided mi?

Because nitroglycerin is a vasodilator, it is contraindicated as standard treatment, or must be given with extreme care. Nitroglycerin should not be given unless specifically authorized by local protocols. Fentanyl may be given instead of morphine, since morphine also causes vasodilation.

When is nitro contraindicated Michigan?

Nitroglycerin is contraindicated in patients that have reported allergic symptoms to the medication. [18] Known history of increased intracranial pressure, severe anemia, right-sided myocardial infarction, or hypersensitivity to nitroglycerin are contraindications to nitroglycerin therapy.

What does a new right bundle branch block indicate?

A block in the right bundle branch can occur in people who otherwise seem normal. If it happens with a heart attack, it can be a sign of serious heart muscle damage. A block in the left bundle branch is usually a sign of heart disease. Bundle branch blocks usually do not cause symptoms.

Can right bundle branch block disappear?

To date, there has been no report of temporary disappearance of right bundle branch block (RBBB) during exercise. A patient with old infero-posterior myocardial infarction is described in whom complete RBBB disappeared transiently during treadmill exercise testing.

What is first line treatment for MI?

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.

Which leads view the right side of the heart?

The arrangement of the leads produces the following anatomical relationships: leads II, III, and aVF view the inferior surface of the heart; leads V1 to V4 view the anterior surface; leads I, aVL, V5, and V6 view the lateral surface; and leads V1 and aVR look through the right atrium directly into the cavity of the …

How is left bundle branch block ( LBBB ) treated?

Symptoms consistent with acute MI and left bundle branch block (LBBB) should be managed like ST-segment elevation. In contrast, the patient without ST-segment elevation should not receive thrombolytic therapy.

Can a right bundle branch block cause heart failure?

Usually, right bundle branch block by itself does not cause symptoms. Rarely, right bundle branch block may make symptoms worse in some people with heart failure. Researchers are not yet sure whether this is the case.

What kind of block is complete right bundle?

Also, both patients had complete right bundle-branch block (RBBB) [old in patient 1, new in patient 2], the pattern of which was altered due to the associated PMI. The alteration included tall R waves involving the early part of the QRS complex, and tall T waves, both noted in the right precordial leads.

What causes right bundle branch block in young people?

It is rare in healthy young people. It may occur with natural degeneration of the hearts conduction system that occurs with age. It can also occur in people who have another underlying heart or lung problem. It may also be caused as a result of a heart procedure.

Why is nitroglycerin contraindicated in right sided mi? Because nitroglycerin is a vasodilator, it is contraindicated as standard treatment, or must be given with extreme care. Nitroglycerin should not be given unless specifically authorized by local protocols. Fentanyl may be given instead of morphine, since morphine also causes vasodilation. When is nitro contraindicated Michigan? Nitroglycerin…