上海交通大学：《诊断学》课程PPT教学课件（英语版）Chapter 22 Palpitation

Palpitation

Palpitation

Definition Palpitation may be defined as an awareness of the beating of the heart, an awareness most commonly brought about by a change in the heart's rhythm or rate or by an augmentation of its contractility

Definition: Palpitation may be defined as an awareness of the beating of the heart, an awareness most commonly brought about by a change in the heart's rhythm or rate or by an augmentation of its contractility

Mechanism Tachyeardia Increased Stroke Volume Arrhythmia Individual differences

Mechanism • Tachyeardia • Increased Stroke Volume • Arrhythmia Individual differences

Etiology Augmentation of the heart's contractility Physiological: Physical labor, Nervous Drinking alcohol, strong tea. coffee Taking medicine

Etiology • Augmentation of the heart’s contractility Physiological: Physical labor, Nervous Drinking alcohol, strong tea, coffee Taking Medicine

Tholos Augmentation of the heart's contractility Pathological: Ventricular hypertrophy Increased Stroke Volume hyperthyroidism, anemia, fever hypoglycemia

Etiology • Augmentation of the heart’s contractility Pathological: Ventricular hypertrophy Increased Stroke Volume ( hyperthyroidism, anemia, fever, hypoglycemia)

Etiol ology Cardiac arrhythmia Tachycardia, bradycardia, arrhythmia Cardiovascular neurosis

Etiology • Cardiac arrhythmia Tachycardia, bradycardia, arrhythmia • Cardiovascular neurosis

Accompanied Symptom Precordial pain Fever Syncope or spasm Anemia Tabification

Accompanied Symptom • Precordial pain • Fever • Syncope or spasm • Anemia • Tabification