Cardiovascular changes during hemorrhage
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Cardiovascular changes during hemorrhage
Cardiovascular system
Arrhythmias
Atrioventricular block
Bundle branch block
Heart blocks: Pathology review
Pulseless electrical activity
Atrial fibrillation
Atrial flutter
Atrioventricular nodal reentrant tachycardia (AVNRT)
Premature atrial contraction
Supraventricular arrhythmias: Pathology review
Wolff-Parkinson-White syndrome
Brugada syndrome
Long QT syndrome and Torsade de pointes
Premature ventricular contraction
Ventricular arrhythmias: Pathology review
Ventricular fibrillation
Ventricular tachycardia
Cardiomyopathies
Cardiac tumors
Congenital heart defects
Acyanotic congenital heart defects: Pathology review
Atrial septal defect
Coarctation of the aorta
Patent ductus arteriosus
Ventricular septal defect
Cyanotic congenital heart defects: Pathology review
Hypoplastic left heart syndrome
Tetralogy of Fallot
Total anomalous pulmonary venous return
Transposition of the great vessels
Truncus arteriosus
Electrocardiography
Pericardial disorders
Physiological responses
Valvular disorders
Vascular disorders
Aneurysms
Aortic dissection
Aortic dissections and aneurysms: Pathology review
Angina pectoris
Coronary artery disease: Pathology review
Coronary steal syndrome
Myocardial infarction
Prinzmetal angina
Stable angina
Unstable angina
Abetalipoproteinemia
Atherosclerosis and arteriosclerosis: Pathology review
Dyslipidemias: Pathology review
Familial hypercholesterolemia
Hyperlipidemia
Hypertriglyceridemia
Coarctation of the aorta
Hypertension
Hypertension: Pathology review
Hypertensive emergency
Pheochromocytoma
Polycystic kidney disease
Renal artery stenosis
Hypotension
Orthostatic hypotension
Lymphangioma
Lymphedema
Shock
Shock: Pathology review
Peripheral artery disease
Peripheral artery disease: Pathology review
Subclavian steal syndrome
Behcet's disease
Kawasaki disease
Vasculitis
Vasculitis: Pathology review
Chronic venous insufficiency
Deep vein thrombosis
Thrombophlebitis
Angiosarcomas
Cardiac and vascular tumors: Pathology review
Human herpesvirus 8 (Kaposi sarcoma)
Vascular tumors
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Cardiovascular changes during hemorrhage
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Summary
The sudden loss of blood that occurs during hemorrhage causes the cardiovascular system to change in several ways. The perfusion to various organs becomes compromised, leading to different compensatory mechanisms by the body to restore appropriate perfusion. The most immediate change is that the heart rate will increase as the body tries to get more blood to the vital organs. The blood pressure will also decrease, leading to hypoperfusion of the tissues, which means that insufficient oxygen and nutrients are getting delivered to the cells. Hemorrhage can cause organ damage and even death due to hypovolemic shock.