by Rob Newton
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Principal symptom of Coronary Artery Disease (CAD).
Insuficient oxygen get to the myocardium.
Cardia muscle becomes ischaemic
Anaerobic metabolism kicks in (therefore lactic acid is produced - which causes the pain in the chest?)
Stable / Chronic Stable Angina
GTN taken to relieve symptoms
Indicates greater degree of obstruction
Noticeable changes in frequency etc.
Often occurs without predictable stress
AMI - Acute Myocardial Infarction
Chest pain a common symptom
felt beneath sternum
Desc: Heavy, squeezing, crushing or tight
Radiating pain (to arms)
Mistaken for indigestion
Not always pain in the chest
Sudden weakness or tiredness
Symptoms often ingnored
LVF - Left Ventricular Failure
Severe dyspnoea (Paroxysmal Nocturnal Dyspnoea - PND)
Elevated blood pressure (hypertension)?
Crackles and possibly wheezes
Frothy, pink sputum
RVF - Right Ventricular Failure
peripheral oedema (in legs and feet)
secondary to LVF
days or weeks to reverse
Typcial presentation (AMI)
Ashen-grey pallor, cold, wet skin
hypotension (decreased blood pressure)