Adult Health 2 Exam 2 – Questions With Verified
Solutions
Add to calendar
Play your way to mastery with fun games
Match Blocks Charms NEW
Terms in this set (78)
Normal Electrical Conduction 1. SA node (sinus node)- natural pacemaker
Pathway 2. AV node
3. Bundle of His
4. Right and left bundle branches
5. Purkinje fibers
Depolarization Systole
electrical activation of cell caused by influx of
sodium into cell while potassium exits cell
Repolarization relaxation = diastole
return of cell to resting state causedby reentry of
potassium into cell while sodium exits
ECG Graph
,ECG graph PQRST
Dysrhythmias • Disorders of the formation and/or conduction of
the electrical impulses of the heart
• Leads to disturbance in HR,rhythm, or both
Sinus Bradycardia -Causes: Athletic training, Vagal stimulation,
Medications, Myocardial infarction, Hypoxemia,
Acute decompensated HF
Sinus Bradycardia symptoms -Chest pain
-Hypotension
-Syncope
-Dizziness
-confusion
-St-segment changes
-PVCS
Sinus Bradycardia Treatment Atropine 0.5 mg Rapid IV bolus
Every 3-5 min (max dose 3 ,g)
, Sinus Tachycardia -Cause:
-Psychologic/physiologic stress
-Hypotension
-hypovolemia
Anemia
-hypoxia
-Sympathetic response
-Medications
-Stimulants
Sinus Tachycardia clinical symptoms -Hypotension
-Dizziness
-Dyspnea
-Angina
Sinus Tachycardia treatment -Vagal maneuvers
-adenosine
-beta-blockers
-amiodarone
-analgesics
How do you give adenosine? -6 mg IV- Rapid push
-Followed by 20ml NS IV push
Elevate arm to promote rapid circulation of the
medication
Supraventricular Tachycardia (SVT)
Solutions
Add to calendar
Play your way to mastery with fun games
Match Blocks Charms NEW
Terms in this set (78)
Normal Electrical Conduction 1. SA node (sinus node)- natural pacemaker
Pathway 2. AV node
3. Bundle of His
4. Right and left bundle branches
5. Purkinje fibers
Depolarization Systole
electrical activation of cell caused by influx of
sodium into cell while potassium exits cell
Repolarization relaxation = diastole
return of cell to resting state causedby reentry of
potassium into cell while sodium exits
ECG Graph
,ECG graph PQRST
Dysrhythmias • Disorders of the formation and/or conduction of
the electrical impulses of the heart
• Leads to disturbance in HR,rhythm, or both
Sinus Bradycardia -Causes: Athletic training, Vagal stimulation,
Medications, Myocardial infarction, Hypoxemia,
Acute decompensated HF
Sinus Bradycardia symptoms -Chest pain
-Hypotension
-Syncope
-Dizziness
-confusion
-St-segment changes
-PVCS
Sinus Bradycardia Treatment Atropine 0.5 mg Rapid IV bolus
Every 3-5 min (max dose 3 ,g)
, Sinus Tachycardia -Cause:
-Psychologic/physiologic stress
-Hypotension
-hypovolemia
Anemia
-hypoxia
-Sympathetic response
-Medications
-Stimulants
Sinus Tachycardia clinical symptoms -Hypotension
-Dizziness
-Dyspnea
-Angina
Sinus Tachycardia treatment -Vagal maneuvers
-adenosine
-beta-blockers
-amiodarone
-analgesics
How do you give adenosine? -6 mg IV- Rapid push
-Followed by 20ml NS IV push
Elevate arm to promote rapid circulation of the
medication
Supraventricular Tachycardia (SVT)