Cardiovascular Lab

Heart

A muscular pump driving blood flow

Blood vessels

Conduits for blood circulation

Blood

Liquid tissue circulating materials throughout the body

Heart Rate

Number of heart beats per minute (bpm)

Bradycardic

< 60 bpm

Normal HR

60-100 bpm

Tachycardic

> 100 bpm

HR is regulated by ___

autonomic nervous system

Autonomic nervous system consists of the ___ & ___ systems

sympathetic, parasympathetic

sympathetic nervous system

increases HR

parasympathetic

decreases HR

systolic pressure

max. force in blood vessels

diastolic pressure

min. force in blood vessels

BP is measured through auscultation () & oscillometry ()

stethoscope, electronic nanometer

Baroreceptor reflex is located in ___ & ___

aortic arch, carotid sinus

baroreceptor reflex

• rapidly regulates ___

• responds to ___

• helps prevent ___

• BP

• postural changes

• syncope (loss of consciousness)

components of cardiovascular system: ___, ___, ___

heart, vessels, blood