Wiggers Diagram Intracardiac Pressures
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| show | 110-130 mmHg
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| show | 70-80 mmHg
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| show | 15-25 mm Hg
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| show | 8-15 mm Hg
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| show | 4-12 mm Hg
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| show | 110-130 mm Hg
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| 4-12 mm Hg in DIASTOLIC | show 🗑
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| 15-25 mm Hg SYSTOLIC | show 🗑
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| show | 0-8 mm Hg
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| Mean Pressure of 0-8 mm Hg | show 🗑
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| What pressure gradient does blood flow? | show 🗑
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| What happens to the flow of blood as the pressures equilibrate? | show 🗑
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| Systemic Arterial System | show 🗑
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| show | Change in pressure
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| At the onset of the QRS complex what do the AV valves do? | show 🗑
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| show | QRS complex
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| When do the atrioventricular valves close? | show 🗑
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| show | End of the T wave
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| What do the atrioventricular valves do when ventricular pressure drops below atrial pressure? | show 🗑
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| Atrioventricular valve that opens first and closes last | show 🗑
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| Atrioventricular valve that opens last and closes first | show 🗑
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| Semilunar valve that opens first and closes last | show 🗑
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| show | Aortic Valve
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| The ventricular pressure drops below arterial pressure | show 🗑
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| The Semilunar valves close when | show 🗑
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| show | Ventricular pressure exceeds arterial pressure
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| Ventricular pressure exceeds arterial pressure | show 🗑
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| The Semilunar valves close | show 🗑
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| In early ventricular systole | show 🗑
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| Ventricular Diastole represents | show 🗑
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| show | Ventricular Diastole
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| Approximately 70% of the Diastolic filling occurs during | show 🗑
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| Mid-Diastole when there is equilibration of ventricular and atrial diastolic pressures with little filling of the ventricles occurring during this time period | show 🗑
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| show | Atrial Systole
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| show | Contributes about 30% to ventricular diastolic filling.
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| Isovolumic contraction also know as | show 🗑
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| An early systolic event occurring between atrioventricular valve closure and semilunar valve opening | show 🗑
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| Isovolumic contraction | show 🗑
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| show | QRS, the T-wave
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| show | Systolic ejection period or time
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| When the ventricles are ejecting blood into the great arteries | show 🗑
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| show | Peak ventricular SYSTOLE
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| show | ventricular volume is lowest
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| show | Early ventricular diastole
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| show | Isovolumic relaxation
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| show | Begins with the closure of the semilunar valves to the opening of the atrioventricular valves
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| During isovolumic relaxation | show 🗑
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| show | During isovolumic relaxation
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| Blood flows from | show 🗑
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| show | Flow of blood
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| show | Will increase the atrial "v" wave
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| An increase in atrial "v" wave | show 🗑
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| Shows an increase in atrial "a" wave | show 🗑
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| CHF, constrictive pericarditis, restrictive cardiomyopathy and diastolic dysfunction | show 🗑
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| Will increase pulmonary artery pressures | show 🗑
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| show | The closure of the atrioventricular valves at the onset of the QRS complex where ventricular pressure exceeds atrial pressure
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| show | S1
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| S2 is the second normal heart sound and is created by closure of the semilunar valves | show 🗑
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| show | S2
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Created by:
CVTMom
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