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ECGS- ARRT CI Questions and Correct Answers the Latest Update $12.49   Add to cart

Exam (elaborations)

ECGS- ARRT CI Questions and Correct Answers the Latest Update

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  • ECGS- ARRT CI
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  • ECGS- ARRT CI

ATRIAL SYSTOLE- CARDIAC CYCLE ATRIA CONTRACT- ATRIA PUSH BLOOD INTO THE VENTRICLES VENTRICULAR SYSTOLE VENTRICLES CONTRACT AND PRESSURES WITHIN THEM RISE. TRICUSPID AND MITRAL VALVES CLOSE. (FIRST HEART SOUND) RISING PRESSURE- CARDIAC CYCLE SEMILUNAR VALVES OPEN WHEN PRESSURE IN THE VENTR...

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  • November 11, 2024
  • 19
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • ECGS- ARRT CI
  • ECGS- ARRT CI
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ECGS- ARRT CI Questions and Correct
Answers the Latest Update
ATRIAL SYSTOLE- CARDIAC CYCLE

✓ ATRIA CONTRACT- ATRIA PUSH BLOOD INTO THE VENTRICLES



VENTRICULAR SYSTOLE

✓ VENTRICLES CONTRACT AND PRESSURES WITHIN THEM RISE. TRICUSPID AND
MITRAL VALVES CLOSE. (FIRST HEART SOUND)



RISING PRESSURE- CARDIAC CYCLE

✓ SEMILUNAR VALVES OPEN WHEN PRESSURE IN THE VENTRICLES EXCEEDS THAT IN
THE ARTERIES



VENTRICULAR DIASTOLE

✓ PRESSURE IN THE RELAXING VENTRICLES DROPS BELOW THAT INT HE ARTERIES.
SEMILUNAR VALVES SNAP SHUT (2ND HEART SOUND)



PERIOD OF FALLING PRESSURE-CARDIAC CYCLE

✓ BLOOD FLOWS FORM THE VEINS IN TO THE RELAXED ATRIA. TRICUSPID AND
MITRAL VALVES CLOSE WHEN PRESSURE IN VENTRICLES FALLS BELOW THE ATRIA.



SINOATRIAL NODE- CONDUCTION SYSTEM

✓ PRIMARY PACEMAKER- 60-100 BPM



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ATRIOVENTRICULAR NODE

✓ AFTER SA NODE- DELAYS IMPULSE TO BUNDLE OF HIS TO ALLOW ATRIA TO
CONTRACT



BUNDLE OF HIS

✓ AFTER AV NODE- RELAYS IMPULSE TO R AND L BUNDLE BRANCHES



R AND L BUNDLE BRANCHES

✓ AFTER BUNDLE OF HIS, RELAYS IMPULSE TO PURKINJE FIBERS



PURKINJE FIBERS

✓ AFTER BUNDLE BRANCHES, RELAYS IMPULSE TO VENTRICULAR MYOCARDIUM



P WAVE REPRESENT

✓ ATRIAL DEPOLARIZATION (IMPULSE THROUGH ATRIA)



QRS COMPLEX MEANING

✓ SPREAD OF ELECTRICAL IMPULSE THROUGH VENTRICLES- VENTRICLE
DEPOLARIZATION



Q WAVE IS ALWAYS

✓ NEGATIVE




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SINUS HEARTRATE

✓ 60-100



SINUS PR INTERVAL

✓ .12 TO .20 SECONDS



SINUS QRS DURATION

✓ SECONDS



SINUS BRADYCARDIA RATE

✓ LESS THAN 60 BPM



PR INTERVAL IN SINUS BRADYCARDIA

✓ TO SECONDS



QRS DURATION SINUS BRADYCARDIA

✓ 0.11 SECONDS NORMAL



DRUG OF CHOICE FOR SYMPTOMATIC BRADYCARDIA

✓ ATROPINE



HR FOR SINUS TACH



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