echocardiography 1
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | left and right
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| show | • Left Anterior Descending (LAD) -feeds anterior wall of LV, IVS, apex of heart
• Left Circumflex (LCx) -feeds lateral and posterior portion of LV
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| show | Right Coronary Artery (RCA) -feeds inferior wall of RV
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| The largest vessels in the body are | show 🗑
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| show | Capillary level
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| • The spinal cord is posterior to the heart? | show 🗑
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| show | False
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| Sinoatrial (SA) Node | show 🗑
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| Internodal Pathways | show 🗑
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| show | - Connections of atria to ventricles;
- impulse slows for about .05 seconds to allow for ventricular filling
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| Bundle Branches | show 🗑
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| Purkinje fibers | show 🗑
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| show | RA – mean of 5 mmHg
RV – 25/5 mmHg
PA – 25/10 mmHg
LA – mean of 10 mmHg
LV – 120/10 mmHg
AO – 120/80 mmHg
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| P wave | show 🗑
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| show | represents ventricular depolarization (discharge), followed
immediately by ventricular systole (contraction)
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| show | represents ventricular repolarization (recharge)
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| Isoelectric line | show 🗑
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| show | represents 1 complete cardiac cycle
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| 1 cardiac cycle includes two phase… | show 🗑
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| show | 1 complete cardiac cycle
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| show | Ventricular Systole
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| Ventricular Systole ECG timing: | show 🗑
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| Ventricular Systole Includes 3 phases | show 🗑
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| Isovolumic Contraction Period/Time (IVCT) | show 🗑
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| Iso volumic | show 🗑
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| show | Heart volume is at its largest
No volume change because all valves are closed during this period
Duration: Valves are closed for a split second
Pressure rises rapidly in preparation for SL valve opening
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| Rapid Ventricular Ejection | show 🗑
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| show | Ventricular pressure begins to decline
Repolarization (recharging) occurs (on the T wave)
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| show | Ventricular filling
Closure of the SL valves to closure of the AV valves.
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| Ventricular Diastole ECG rhythm timing: | show 🗑
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| Ventricular Diastole Includes 4 phases | show 🗑
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| Isovolumic Relaxation Time/Period (IVRT) | show 🗑
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| Isovolumic Relaxation Time/Period IVRT | show 🗑
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| show | Volume of blood pumped out of
the ventricles during systole (per
heart beat
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| SV timing | show 🗑
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| SV measurements | show 🗑
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| SV normal range | show 🗑
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| show | The greater the volume of blood in the heart during diastole
(filling), the more forceful the contraction, the more blood the
ventricle will pump
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| Frank-Starling Law normal volume/pres relationship | show 🗑
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| show | Increase venous return = increased LVEDP
= increased preload = increased SV and
vise versa
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| show | End diastolic volume (EDV) – End systolic volume (ESV)
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| show | Heart Rate
Preload
Afterload
Contractility
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| show | (chronotropic)
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| show | beats per minute (BPM)
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Created by:
eduarda146
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