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MA 2 UNIT 2
EKG
Question | Answer |
---|---|
WHAT IS AN ELECTROCARDIOGRAM? | RECORD OF THE ELECTRICITY IN YOUR HEART DURING |
WHERE IS AN ELECTROCARDIOGRAM PLACED ON THE BODY? | THE SURFACE |
WHEN IS THE ELECTRICITY GENERATED BY THE HEART? | DURING CONTRACTION & RELAXAION |
WHAT ARE THE ABBREVIATIONS FOR ELECTROCARDIOGRAM? | EKGECG |
WHAT 4 THINGS ARE RECORDED BY THE EKG? | THE AMOUNT OF ELECTRICAL ACTIVITYTHE TIME REQUIRED TO TRAVEL THROUGH THE HEART DURING EACH COMLETE HEARTBEATTHE RATE OF THE HEARTBEATTHE RHYTHM OF THE HEARTBEAT |
WHEN IS AN EKG PART OF A PHYSICAL? | PEOPLE 40+ |
IF YOU ARE 40+ WHEN IS A GOOD TIME TO GET AN EKG? | BEFORE BEGINNING ANY SERIOUS EXERCISE PROGRAM |
WHAT IS A CARDIAC CYCLE? | ONE COMPLETE HEARTBEAT |
WHERE DOES THE CARDIAC CYCLE BEGIN? | IN THE S-A node |
WHAT ARE SOME OTHER NAMES FOR THE S-A NODE? | SINOATRIAL NODESPARKPACEMAKER |
WHERE IS THE S-A NODE LOCATED? | TOP OF RIGHT ATRIA |
WHAT HAPPENS IN THE S-A NODE? | AN ELECTRICAL IMPULSE IS SENT OUT TO YOUR HEART |
WHAT HAPPENS WHEN THIS IMPULSE IS SENT OUT? | CAUSES THE ATRIA TO CONTRACT & SQUEEZE BLOOD INTO THE VENTRICLES |
WHERE DOES THE IMPULSE GO NEXT? | A-V node |
WHAT IS ANOTHER NAME FOR THE A-V NODE? | ATRIOVENTRICULAR NODE |
WHAT IS THE A-V NODE MADE OF? | A MASS OF MODIFIED HEART MUSCLE |
WHERE IS THE A-V NODE LOCATED? | THE BASE OF THE RIGHT ATRIUM |
WHERE DOES THE IMPULSE GO NEXT? | THE bundle of His |
WHERE IS THE BUNDLE OF His LOCATED? | IN THE SEPTUM |
WHERE DOES THE IMPULSE GO NEXT? | BUNDLE BRANCHES |
WHERE DO THE BUNDLE BRANCHES GO? | LEFT & RIGHT OF THE SEPTUM |
WHERE DOES THE IMPULSE GO NEXT? | PURKINJE FIBERS |
WHAT DO THE PURKINJE FIBERS LOOK LIKE? | BRANCHES ALL OVER THE VENTRICLES |
WHY ARE THE PURKINJE FIBERS SPREAD ACROSS THE VENTRICLES? | TO MAKE THEM CONTRACT |
WHEN DOES DEPOLARIZATION OCCUR? | WHEN THE VENTRICLES CONTRACT |
WHEN DOES REPOLARIZATION OCCUR? | WHEN THE HEART RETURNS TO ITS NORMAL STAGE |
WHEN DOES THE HEART REST? | AFTER REPOLARIZATION |
WHEN DOES AN ARRHYTHMIA OCCUR? | WHEN THERE IS ANY ELECTRICAL DISTURBANCE IN THE PROCESS OF THE CARDIAC CYCLE |
WHAT DOES THE EKG MACHINE PICK UP ON? | THE ELECTRICAL IMPULSE OF THE HEART |
WHAT DOES THE NORMAL EKG CYCLE CONSIST OF? | WAVES THAT HAVE BEEN LABELED P, QRS, & T |
WHAT ARE P WAVES? | CONTRACTION OR DEPOLARIZATION OF THE ATRIA |
WHAT IS A QRS COMPLEX? | CONTRACTION OR DEPOLARIZATION OF THE VENTRICLES |
WHAT IS A T WAVE? | RELAXATION OR REPOLARIZATION OF THE VENTRICLES |
WHAT IS A U WAVE? | THE PATIENT HAS LOW LEVELS OF POTASSIUM |
WHEN DOES THE U WAVE APPEAR | AFTER THE T WAVE |
HOW BIG IS A U WAVE? | SMALLER THAN THE T WAVE |
WHAT IS A BASE LINE? | A FLAT HORIZONTAL LINE THAT RUNS THE LENGTH OF THE EKG & SEPERATES WAVES |
WHAT ARE SOME OTHER NAMES FOR THE BASE LINE? | FLAT LINEISOELECTRIC LINE |
ON THE HORIZONTAL LINE OF THE EKG PAPER, ONE SMALL REPRESENTS WHAT? | 0.04 SECONDS |
ON THE VERTICAL LINE, WHAT DOES ONE SMALL BLOCK REPRESENT? | 1MM OF CARDIAC VOLTAGE |
ARE THESE MEASUREMENTS ACCEPTED WORLD WIDE? | YES |
WHAT IS THE NAME OF THE INSTRUMENT THAT MAKES THE LINES ON THE EKG PAPER? | HEATED STYLUS |
WHAT MAKES THE STYLUS MOVE? | THE VOLTAGE OF THE HEART |
IS THERE INK IN THE STYLUS? | NO |
HOW DO THE MARKS APPEAR ON THE EKG PAPER? | THE STYLUS HEATS THE PAPER & MELTS THE PLASTIC COVERING IT WHEN IT MOVES |
SHOULD YOU PLACE AN EKG READING IN THE SUN? | NO |
WHAT WOULD HAPPEN IF YOU PLACED AN EKG READING IN THE SUN? | TURN BLACK |
WHO NEEDS TO UNDERSTAND ARTIFACTS? | THE MA |
WHAT ARE THE 3 MOST COMMON ARTIFACTS? | SOMATIC TREMOR, WANDERING BASELINE, AC INTERFERENCE |
WHAT CAUSES A SOMATIC TREMOR? | THE PATIENT MOVING, TALKING, COUGHING, BEING TENSE, OR THEY MAY HAVE A NERVOUS DISORDER |
WHAT CAUSES A WANDERING BASELINE? | ELECTRODES BEING TOO LOOSE, TOO TIGHT, NOT ENOUGH OR TOO MUCH GEL, CORRODED OR DIRTY ELECTRODES |
WHAT CAUSES AC INTERFERENCE? | PATIENT HAS CELL PHONE IN POCKETOTHER ELECTRICITY BEING RAN TOO CLOSE TO THE EKGIMPROPER GROUNDING OF THE EKGLEAD WIRES CROSSED & NOT FOLLOWING BODYCORRODED OR DIRTY WIRES |
WHAT ARE ELECTRODES? | SMALL METAL PLATES THAT PICK UP ELECTRICAL ACTIVITY OF THE HEART |
WHERE ARE THE ELECTRODES PLACED? | ON THE SURFACE OF THE BODY |
HOW MANY ELECTRODES DOES THE STANDARD 12 LEAD EKG HAVE? | 5 OR 10 |
WHERE ARE THE 2 UPPER ELECTRODES PLACED ON THE BODY? | EACH ARM |
WHERE ARE THE 2 LOWER ELECTRODES PLACED? | EACH LEG |
WHERE ARE THE REMAINING 6 ELECTRODES PLACED? | VARIOUS PLACES ON THE CHEST |