Hemodynamic Terminology

Honelako gehiago

Cardiovascular Drugs

Isaac Farmer‑k egina

Tissue

Mia Nunez Almonte‑k egina

Structural Engineering

Juan Camilo Robayo‑k egina

Womens Move,ent

Ryan Collins‑k egina

Hemodynamic terminology

Contractility

Strength of contraction

⇧ when preload is un▲ yet ♡ contracts ⇧ forcefully

Vascular resistance

SVR & PVR reflect afterload

Afterload

CO can be restored & myocardial 02 needs ⇓ by ⇓ afterload

Vasodilators can ⇓ afterload

Forces opposing ventricular ejection

mass & density of blood moves

systemic arterial pressure

Preload

Frank-Starling's law: the ⇧ a myocardial fiber is stretched, the during filling, the ⇧ it shortens during systole & ⇧ the contraction force

PAWP-measurement of pulmonary capillary pressure, reflects left ventricular end-diastolic pressure

left-ventricular end-diastolic pressure:Left ventricular preload

Volume within the ventricle @ the end of diastole

Cardiac output & cardiac index

Preload, afterload, & contractility determine SV(& thus CO and BP)

Pulmonary vascular resistance (PVR): opposition encountered by the right ventricle

Systemic Vascular resistance: opposition encountered by the left ventricle

Stroke Volume index: measurement of SV adjusted for BSA

Stroke Volume: volume ejected w each beat

Cardiac index: measurement of CO adjusted for body surface area

Cardiac output: volume of blood in liters pumped by the heart in 1 minute