Acute Myocardial Infarction CLINICAL PRESENTATION

Acute Myocardial Infarction is precipitated by exer­tion, exercise, emotional stress, medical and surgical disease and interventions. Circadian variation – AMI is more common in early morning hours due to increase in sympathetic tone and increased thrombolytic tendency from 4 to 12 AM.

Acute Myocardial Infarction CLINICAL PRESENTATION 1

Acute Myocardial Infarction CLINICAL PRESENTATION

Acute Myocardial Infarction Pain:

  • Pain is the most common and typical symptom of AMI. There is very severe pain.
  • It radiates to Arms; Abdomen; Jaw; Back and Neck. Pain may be present up to occiput or to umbilicus in front but not lower than umbilicus.
  • It is a deep pain. It may be a severe discomfort, heavi­ness, squeezing, crushing pain. It is located in cen­tral portion of chest and sometimes epigastrium.

Acute Myocardial Infarction Chest pain is accompanied by :

  • Weakness
  • Sense of doom.
  • Pain occurs during exertion – is not relieved with rest. Pain may occur during rest.
  • Painless MI – occurs in:
  • Sweating
  • Nausea
  • Vomiting Anxiety
  • Diabetes mellitus –
  • old age
  • In Old age – Acute MI may present with acute dyspnea (pulmonary oedema).

Acute Myocardial Infarction Less Common presentations

  • Loss of consciousness Confusion
  • Extreme weakness Arrhythmia
  • Pulmonary embolism Falling Blood pressure.


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