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What you need to know about AMA and the 12 lead ECG...

 

What is an AMA? Against medical advice is a phrase pertaining to a patient’s decision to discontinue therapy despite the advice of medical professionals.

 

Document… Document… Document!

 

Obtaining a defensible AMA:

Does the patient have the capacity to refuse care – are they capable of making a decision? Can the patient understand and communicate a rational decision? A&Ox4 is not good enough… You need to evaluate and describe the following:

  • Perform a thorough patient assessment
  • Evaluate for signs of drug and/or alcohol intoxication, physical or mental conditions affecting judgment (hypoxia, hypovolemia, etc. may affect a patient’s decision-making capacity)
  • The patient must have the ability to understand the information being provided by you
  • The patient must be able to appreciate the significance of the information and the consequences
  • The patient must be able to engage in reasoning – uses logical processes, weigh options, etc.

The primary purpose of obtaining a 12 lead ECG is to screen for cardiac ischemia. A normal 12 lead ECG does not mean that the patient is not having acute ischemia, injury or infarction! The patient may be in the early stages of the AMI and the infarction is evolving or the infarction has progressed passed the “acute phase”.

So, if you have educated your patient, describing how a normal 12 lead ECG does not exclude them from serious injury, permanent
disability and/or death, evaluated their decision-making capacity and performed a patient assessment – make base hospital contact and run the case by the base hospital physician – do not assume the liability!! Remind the patient of the benefits of transport!

 

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Aspirin in the presence of cardiac related chest pain

 

“As in those patients presenting with ST-elevation MI, aspirin has been shown to provide significant benefit as secondary prevention among patients with unstable coronary syndromes (unstable angina/non-ST-elevation MI)” Circulation. 2011; 123:768-778

 

Don't forget the life-saving Aspirin!

 

SO-C-15 – Aspirin 324 mg PO given if none of the following exists:

  • Not taken in the last 4 hours

  • Pain radiates to mid-back or patient reports back pain

  • Taking an anticoagulant or antiplatelet

  • History of aspirin allergy

  • Recent history of asthma

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Atypical myocardial infarction and the need for a 12 lead!

 

The atypical clinical presentation of myocardial infarction increases with age and gender. Women and patients over the age of 55 can present with symptoms such as:

  • Neck, back, jaw and head pain

  • Syncope

  • Weakness

  • Sweating

  • Nausea

  • Dyspnea, shortness of breath or cough

In one study, 32 % of the AMI patients presented with atypical symptoms. Atypical symptoms were most prevalent in women over the age of sixty-five. The most common atypical symptoms reported by this group of patients were abdominal pain and dyspnea.

Lusiani, L., Perrone, A., Pesavento, R., Conte, G. Prevalence, clinical features, and acute course of atypical myocardial infarction. Angiology. 1994 Jan; 45(1):49-5

 

Risk factors for both typical and atypical AMI are:

  • Smoking
  • Hypertension
  • Diabetes
  • High cholesterol

Please remember the 12 lead ECG!!!!!

When is Base Hospital Contact Required...?

 

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Safe Administration of IV Morphine

When administering Morphine intravenously, please be careful and push the Morphine slowly over 1-2 minutes. Do not push the Morphine in like a saline flush! It is sometimes easy in the heat of the moment and in our rush to help the patient, we go a little fast in pushing the Morphine IV...slow and easy will help the patient in the long run.

What happens when IV Morphine is pushed to fast?

  1. There is a drop in blood pressure:
  • Resulting in a decrease in perfusion to vital organs
  • The patient may still be in severe pain and we cannot manage the pain with more Morphine or (Dilaudid - in the ED) because of the patient's low BP

     2. Nausea and Vomiting

 

     3. Syncope

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