Term
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Definition
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Term
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Definition
| Flow of depolarization from negative to positive causes what on an ECG? |
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Term
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Definition
| What are the lateral leads? |
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Term
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Definition
| What are the anterior leads? |
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Term
| From Right Arm (-) to Left Arm (+) |
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Definition
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Term
| From Right Arm (-) to Left Foot (+) |
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Definition
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Term
| From Left Arm (-) to Left Foot (+) |
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Definition
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Term
Lead aVR: RA (+) to [LA & LF] (-) (Rightward)
Lead aVL: LA (+) to [RA & LF] (-) (Leftward)
Lead aVF: LF (+) to [RA & LA] (-) (Inferior) |
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Definition
| What are the augmented unipolar limb leads? |
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Term
Leads V1, V2, V3: (Posterior Anterior)
Leads V4, V5, V6:(Right Left, or lateral) |
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Definition
| What are the unipolar (+) chest leads (horizontal plane): |
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Term
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Definition
State the type of deviation:
Lead I up, AVF up |
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Term
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Definition
State the type of deviation:
Lead I down, AVF down |
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Term
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Definition
State the type of deviation:
Lead I up, AVF down |
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Term
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Definition
State the type of deviation:
Lead I down, AVF up |
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Term
| The end of T-wave to the beginning of the next P-wave |
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Definition
| What is used to determine the isoelectric line on the ECG? |
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Term
| Find J-point, move over one box, and count how elevated the segment is. |
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Definition
| How do you find the amount of elevation of the ST segment? |
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Term
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Definition
| What is indicative of Right Atrial Enlargement? |
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Term
| Determine the underlying rhythm. |
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Definition
| what should you do in all leads? |
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Term
| Determine the underlying rhythm. |
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Definition
| what should you do in all leads? |
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Term
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Definition
| What percentage of blood "plops" into the ventricle during diastole? |
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Term
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Definition
| What percentage of blood stays in the atria during diastole? |
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Term
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Definition
| What are the 3 stages of contraction? |
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Term
| When they have chronic lung disease, and often before the actual lung disease kills them. |
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Definition
| When do people die of right-sided heart failure? |
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Term
| In the P-waves of the ECG |
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Definition
| When the right side of the atria enlarges, where will you see changes? |
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Term
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Definition
| What system causes Tall P-waves? |
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Term
| The right half of the hump will be elongated and the left side will be a shallow dip |
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Definition
| How can you tel Right-Atrial enlargement in V1/ |
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Term
| 2nd intercostal space nesxt to sternum |
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Definition
| Pulmonic vlave listening point |
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Term
| Stenosis is hardening of the valve |
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Definition
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Term
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Definition
| What is valve insufficiency? |
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Term
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Definition
| What is the #1 cause of left atrial enlargement? |
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Term
| More than 2 little squares. |
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Definition
| what is too wide for a P-wave? |
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Term
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Definition
| What is NO P wave, a QRS and a T wave? |
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Term
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Definition
| What is an elongated PR interval followed by the QRS? |
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Term
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Definition
| The QRS should never be taller than what? |
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Term
| QRS taller than 25 small boxes in V6 |
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Definition
| Left ventricular hypertrophy... |
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Term
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Definition
| Really wide QRS in V6 should show what in V1? |
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Term
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Definition
| You will usually not have elevated ST segments during what? |
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Term
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Definition
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Term
| Left Bundle Branch Block; Left Ventricular Hypertrophy |
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Definition
| What is the most common cause of ST segment elevation in V1, V2, and |
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Term
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Definition
| Which leads have to be precisely placed? |
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Term
| Depression that comes right back up |
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Definition
| Non cardiac ST depression... |
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Term
| ST segment depression that stays level |
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Definition
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Term
| ST segment depression that dips further |
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Definition
| More ischemic depression shows how? |
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Term
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Definition
| What can cause a flipped T wave? |
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Term
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Definition
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Term
| Heart straining to repolarize |
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Definition
| T wave long coming down and rapidly going back up is what? |
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Term
| A strain pattern in the depressed T wave |
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Definition
| What will severe hypertrophy cause? |
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Term
| No... but you will if you have a huge heart that struggles to depolarize and repolarize. |
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Definition
| Do all Bundle Branch Blocks show a strain pattern? |
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Term
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Definition
| How long should the Q-T interval be? |
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Term
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Definition
| What is a common antiarrhythmic agent given, which prolongs the Q-T interval? |
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Term
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Definition
| What always precipitates Torsades? |
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Term
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Definition
| If the QT is greater than 11 small boxes, what is your pt at risk of going into? |
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Term
| There are delays in cardioverting due to the morphed R's |
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Definition
| Why is Torsades the only rhythm you do not cardiovert? |
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Term
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Definition
| What will pull the electrical vectors? |
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Term
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Definition
| What shows v-Tach but not abberancy |
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Term
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Definition
| What does dead muscle do to the electrical impulse? |
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Term
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Definition
| What type of deviation with lateral wall MI/ |
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Term
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Definition
| What type of deviation with an inferior MI? |
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Term
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Definition
| WHat does your axis run away from? |
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Term
| Cardiac disease may have changed the vector to give appearance of asystole in Lead II, because the perpendicular lead to the vector is shows small and biphasic. |
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Definition
| Why do you check asystole in another lead? |
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Term
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Definition
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Term
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Definition
| A wide QRS in V1 should show what? |
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