Bundle branch blocks - Study guides, Class notes & Summaries
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BKAT ICU Post Test 2023 (solved)
- Exam (elaborations) • 10 pages • 2023
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Nitroprusside purpose - Answer- decreases preload and afterload by vasodilation (mainly afterload) 
 
Dobutamine mechanism of action - Answer- contractility 
 
Dopamine at a low-end dose "renal dose" - Answer- 0.5-4mcg/kg/min 
increases renal and mesentric perfusion 
 
Dopamine at a mid-range dose - Answer- 4-10mcg/kg/min 
increases contractility and heart rate 
 
Dopamine at a high-range dose - Answer- greater than 10mcg/kg/min 
vasoconstriction and increases BP 
 
Dopamine and Levophed inf...
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Med Surg II Exam 1 Questions and Answers Latest Updated Version.
- Exam (elaborations) • 18 pages • 2024
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Med Surg II Exam 1 Questions and Answers Latest Updated Version. 
FOCUS POINTS EXAM 1 CARDIAC (MED SURG II EXAM 1) 
Dysrhythmias 
Abnormal heart rate or rhythm 
Caused by a disturbance in electrical conduction of the heart, not by abnormal heart structure 
May be benign or have lethal consequences 
Cardiac output = stroke volume x HR 
Patho 
● 5 unique properties of cardiac cells 
○ Automaticity → spontaneously initiate an electrical impulse 
■ Changes in automaticity cause tachydysrhyth...
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ECG Strip Interpretation EXAM(470 QUESTIONS WITH VERIFIED EXPERT SOLUTIONS 2024
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Normal PR segment length 
0.12 - 0.2 sec 
3 - 5 small boxes 
 
 
Normal QRS interval 
0.06 - 0.1 sec 
1 - 3 small boxes 
 
 
 
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Normal P amplitude & duration 
< 0.12 sec (3 small boxes) 
< 0.25 mV (2.5 small boxes) 
 
 
causes of arrhythmias 
HISDEBS: hypoxia, ischemia/irritability, SNS, drugs, electrolytes, bradycardia, stretch (hypertrophy/enlargement) 
 
 
symptoms...
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PCCN Cardiac Exam 127 Questions with Verified Answers,100% CORRECT
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PCCN Cardiac Exam 127 Questions with Verified Answers 
 
Which of the following is the outermost lining of the heart? 
A. Endocardium 
B. Myocardium 
C. Transcardium 
D. Pericardium - CORRECT ANSWER D. Pericardium 
"Endo" meaning "within" is associated with the innermost lining of the heart, so eliminate A. The myocardium is associated with the heart's middle layer, so eliminate option B. The "transcardium" is somewhat of a contrived term, so eliminate C as well. The prefix in pericardium...
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Emergency Medicine EOR Exam
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Dilated Cardiomyopathy: most common cause is ____. Others? - Answer- alcohol; may also be idiopathic, myocarditis, or drugs (doxorubicin) -- 1 in 3 cases of heart failure are caused by dilated cardiomyopathy 
 
What PE and EKG changes are seen with dilated cardiomyopathy? - Answer- PE: S3, JVD, crackles - possible mitral regurg 
EKG: nonspecific ST and T wave changes, LBBB 
 
Hypertrophic cardiomyopathy: is due to hypertrophy of the _____. PE reveals mitral regurgitation, a ____heart sound, and ...
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Kaiser EKG Post Test Heart Blocks with Questions and Answers
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Kaiser EKG Post Test Heart Blocks with Questions and Answers 
 
Which is the correct intervention sequence for asystole? 
Assess the patient; initiate CPR; defibrillate ASAP 
Assess the patient; confirm rhythm in another lead; initiate CPR 
Assess the patient; confirm rhythm in another lead; synchronize cardiovert 
Confirm rhythm in another lead; assess the patient; initiate CPR ANSWER Assess the patient; confirm rhythm in another lead; initiate CPR 
 
What does the information found in the last...
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ECG Lead System Questions And Answers With Complete Solutions
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Electrocardiogram (ECG) correct answer: Since you can't see the heart beating we use a ECG to provide a picture that replicates the actual cardiac issue. 
 
Myocardial Infraction (MI) correct answer: Heart Attack 
 
-Have abnormal rhythms. 
-Death of cardiac muscle due to ischemia 
 
Doe the ECG machine monitor or control the hearts rhythm? correct answer: Only monitors 
 
Straight line when machine is turned on but not connected to the patient correct answer: Isoelectric = no current 
 ...
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Med Surg II Exam 1 Questions and Answers Latest Updated Version.
- Exam (elaborations) • 18 pages • 2024
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Med Surg II Exam 1 Questions and Answers Latest Updated Version. 
FOCUS POINTS EXAM 1 CARDIAC (MED SURG II EXAM 1) 
Dysrhythmias 
Abnormal heart rate or rhythm 
Caused by a disturbance in electrical conduction of the heart, not by abnormal heart structure 
May be benign or have lethal consequences 
Cardiac output = stroke volume x HR 
Patho 
● 5 unique properties of cardiac cells 
○ Automaticity → spontaneously initiate an electrical impulse 
■ Changes in automaticity cause tachydysrhyth...
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Straighterline A&P II Quiz 2 with complete solutions
- Exam (elaborations) • 12 pages • 2024
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Straighterline A&P II Quiz 2 with complete solutions 
What event(s) occur during the QRS complex of an ECG? 
a. depolarization of the atria 
b. repolarization of the ventricles 
c. depolarization of the atria and repolarization of the ventricles 
d. depolarization of the ventricles and repolarization of the atria -Correct Answer-d. 
depolarization of the ventricles and repolarization of the atria 
Blood in the pulmonary veins returns to the 
a. right atrium. 
b. left atrium. 
c. right ventricle....
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Med Surg II Exam 1 Questions and Answers Latest Updated Version.
- Exam (elaborations) • 18 pages • 2024
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Med Surg II Exam 1 Questions and Answers Latest Updated Version. 
FOCUS POINTS EXAM 1 CARDIAC (MED SURG II EXAM 1) 
Dysrhythmias 
Abnormal heart rate or rhythm 
Caused by a disturbance in electrical conduction of the heart, not by abnormal heart structure 
May be benign or have lethal consequences 
Cardiac output = stroke volume x HR 
Patho 
● 5 unique properties of cardiac cells 
○ Automaticity → spontaneously initiate an electrical impulse 
■ Changes in automaticity cause tachydysrhyth...
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