SYMPTOMS OF HEART DISEASE:
· Chest pain:
o Causes: Angina pectoris and myocardial infarction due to myocardial hypoxia.
o Pain usually described as crushing, gripping, heavy pain behind sternum in the middle of the chest and may radiate. Parasthesia, pain or heaviness or upper limb/s may also be associated with.
o Angina pectoris – Usually provoked on strenuous activity. Relieved by short acting nitrates.
o Pain radiating to the back – Enlarging thoracic aortic aneurysm
· Dyspnoea:
o Abnormal awareness or breathlessness
o Causes:
§ Pain in chest or abdomen may lead to dyspnoea
§ Main causes – cardiac and pulmonary pathologies – notably left ventricular failure (LVF)
o Pathophysiology
§ Oedema of the pulmonary interstitium and alveoli à Lungs being stiff and less compliant à more respiratory effort required to ventilate the lungs
· Palpitations:
o Increased awareness of the normal heartbeat or sensation of slow rapid or irregular heart rhythms.
o Normal heartbeat may be sensed due to anxiety, excitement or recumbency of the left side. Therefore, careful history must be taken to rule out.
o Most common arrhythmias felt as palpitations are:
§ Premature ectopic beats:
· Pause followed by forceful beat
· Pause present because heart resets itself before the next normal beat. Forceful beat present due to longer diastolic period and therefore heart is filled with more blood.
§ Paroxysmal tachycardia:
· Start abruputly and felt as racing heartbeat. May terminate suddenly but also tend to slow down first leading to sensation og palpitations fading away.
· Paroxysmal atrial fibrillation- irregular rhythm but other supraventricular or ventricular tachycardia - regular
· Symptoms: Syncope, presyncope, dyspnoea or chest pain. Polyuria after palpitations owing the release of atrial natiuretic peptide (ANP) which leads to sodium and water lost from kidneys.
o Different arrhythmias have different characteristics. One way to determine is to ask patient to tap out the rate and rhythm or their palpitations.
o Postural Orthostatic Tachycardia Syndrome: tachycardia on standing – mild drop in BP with dizziness and near syncope
o Maybe also caused by bradycardia but usually not common.
· Syncope
o Transient loss of consciousness due to inadequate cerebral blood flow
o Cardiovascular causes
§ Vascular – usually due to bradycardia and vasodilation
· Neurocardiogenic (Vasovagal attack)
· Postural hypotension – Pooling of blood
· Postbrandial hypotension – After a meal, BP drops
· Micturition syncope – Parasympathetic overactivity after bladder evacuated
· Carotid sinus syncope
§ Obstructive
· Aortic stenosis
· Pulmonary stenosis... etc
§ Arrhythmias
· Rapid tacchycardias
· Profound Bradycardia ( Stokes-Adams)
· Significant pauses in rhythm
· Artificial pacemaker failure
· Fatigue:
o Inadequate systemic perfusion in heart failure
o Other factors can be
§ poor sleep due to paroxysmal nocturnal dyspnoea, orthopnoea, decubitus angina, nocturia (due to diuretic therapy) or nightmares (due to amiodarone therapy)
§ direct side-effect of medication, particularly beta-blockers
§ electrolyte imbalance due to diuretic therapy
§ as a systemic manifestation of infection such as endocarditis.
· Peripheral oedema:
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