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Summary Of Cardiac Rhythms > Rhythms > Flashcards

Rhythms Flashcards

1
Q 
Rhythm- regular (A&V) 
Rate- 60-99 (A&V)
P Waves- present, positive, 1:1
PR- .12-.20 sec
QRS- .04-.10
Rx- none
A

Normal Sinus Rhythm

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2
Q 
Rhythm- regular (A&V)
Rate- <60 usually 40-60 (A&amp;V)
P Wave- present, positive, 1:1
PR- .12-.20 sec
QRS- .04-.10 sec
Rx- If symptoms- atropine, TCP
A

Sinus Bradycardia

SB

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3
Q 
Rhythm- Regular (A&amp;V)
Rate- >99-160 (A&amp;V)
P Waves-Present, positive, 1:1
PR- .12-.20 sec
QRS- .04-.10 sec
Rx- Treat cause (fever, pain, anxiety, hypoxia)
A

Sinus Tachycardia

ST

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4
Q 
Rhythm- Cyclical (irregular but patterned) (varies with respiration)
Rate- 60-99(A&amp;V)
P Waves- Present, positive, 1:1
PR- .12-.20 sec
QRS- .04-.10 sec
Rx- none
A

Sinus Arrhythmia

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5
Q

Seen in presence of another rhythm.
Measure R-R interval to determine length (duration) of pause.

Rx- none, unless symptoms

A

Sinus Pause

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6
Q

Rhythm- (seen in presence of another rhythm
Rate- come early
P Waves- present, normal or may look different, 1:1
PR- usually .12-.20 sec
QRS- .04-.10 sec Non conducted if not followed by QRS
Rx- generally none unless symptoms

A

Premature Atrial Complex

PAC

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7
Q

Rhythm- Atrial regular, ventricular regular but can vary
Rate- Atrial 250-400. Ventricular normal, <100 (“controlled”) or fast (“uncontrolled”)
P Waves- Absent flutter (“F”) waves (Sawtooth) (ratio 2:1, 3:1, 4:1, etc.)
PR- none
QRS- .04-.10 sec
Rx- Control rate & convert rhythm Cardioversion (<48 hours) Consider anti-coagulation

A

Atrial Flutter

AF

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8
Q

Rhythm- Atrial chaotic, erratic ventricular irregular (“irregularly irregular”)
Rate- Atrial >400 Ventricular normal or slow (“controlled”) or fast (“uncontrolled”)
P Waves- Absent fib (“f”) Waves
PR- none
QRS- .04-.10 sec
Rx- Control rate & convert rhythm cardio version (<48 hours) Consider anti-coagulation

A

Atrial Fibrillation

Afib

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9
Q

Rhythm- regular (A&V)
Rate- 40-60 (A&V)
P Waves- Inverted (before or after QRS) or absent (hidden) or normal with short PRi
PR-

A

Junctional Rhythm

JR

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10
Q

Rhythm- regular (A&V)
Rate- 61-99 (A&V)
P Waves- Inverted (before or after QRS) or absent (hidden) or normal with a short PRi
PR-

A

Accelerated Junctional Rhythm

AJR

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11
Q

Rhythm- Regular (A&V)
Rate- >99 (A&V)
P Waves- Inverted (before and after QRS) or absent (hidden) or normal with a short PRi
PR-

A

Junctional Tachycardia

JT

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12
Q

Rhythm- seen in the presence of another rhythm
Rate- come early
P Waves- inverted (before or after QRS) or absent (hidden) or normal with a short PRi
PR-

A

Premature Junctional Complex

PJC

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13
Q

Rhythm- seen in the presence of another rhythm
Rate- come late (after pause)
P Waves- Inverted (before or after QRS) or absent (hidden) or normal with a short PRi
PR-

A

Junctional Escape Beat

JEB

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14
Q 
Rhythm- Regular (V)
Rate- >100 usually 150-200
P Waves- non discernible 
PR- none
QRS- .04-.10 sec
Rx- stable?- vagal &amp;/? Adenosine 
Unstable- adenosine then cardioversion
A

Supra ventricular Tachycardia

SVT

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15
Q 
Rhythm- regular V only
Rate- <40
P Waves- none
PR- n/a
QRS- >.10 sec
Rx- pacing (may try atropine) 
Back up rhythm - do not eliminate
A

Idioventricular Rhythm

IVR

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16
Q 
Rhythm- regular V only
Rate- 40-99
P Waves- none
PR- n/a
QRS- >.10 sec
Rx- none, usually adequate CO
A

Accelerated Idioventricular Rhythm

AIVR

17
Q 
Rhythm- regular, usually V only
Rate- >99-250
P Waves- non discernible 
PR- n/a
QRS- >.10 sec
Rx- stable - consider drugs/cardioversion 
Pulseless- treat like VF
A

Ventricular Tachycardia
VT

LETHAL

18
Q 
Rhythm- somewhat irregular (spiraling V rhythm) 
Rate- >99-250
P Waves- not discernible 
PR- n/a
QRS- >.10 sec
Rx- Magnesium; check cardiac drug levels
Pulseless- treat like VF
A

Torsades de pointes

LETHAL

19
Q 
Rhythm- chaotic, erratic V only
Rate- n/a
P Waves- none
PR- n/a
QRS- n/a
Rx- defibrillate once: 120 joules biphasic, 360 joules monophasic; then drugs ACLS
A

Ventricular Fibrillation
VF

LETHAL

20
Q 
Rhythm- none
Rate- none
P Waves- none
PR- n/a
QRS- n/a
Rx- check another lead. CPR, pacing, drugs (atropine, epinephrine, vasopressin)
A

Asystole

LETHAL

21
Q 
Rhythm- Regular, usually A only
Rate- 60-99 or <60 A only
P Waves- present, normal, QRS absent
PR- n/a
QRS- n/a
Rx- check in another lead. CPR, pacing, drugs (atropine, vasopressin, epi)
A

Ventricular Standstill

LETHAL

22
Q

Rhythm- seen in the presence of another rhythm
Rate- come early
P Waves- none
PR- n/a
QRS- >.10 sec
Rx- if symptoms- anti arrhythmia drug (amiodorone, lidocaine)

A

Premature ventricular Complex

PVC

23
Q 
Rhythm- seen in the presence of another rhythm
Rate- come late after a pause
P Waves- none
PR- n/a
QRS- >.10 sec
Rx- helper beats - do not eliminate 
If symptoms, treat slow rate (atropine)
A

Ventricular Escape Beat

VEB

24
Q

Rhythm/Rate/P Wave/PR- seen in the presence of another rhythm, must be supraventricular
QRS- >.10 sec
Rx- none, if symptoms treat the underlying rhythm

A

Bundle Branch Block

BBB

25
Q 
Rhythm- Regular (A&amp;V, except SA)
Rate- normal, slow, or fast
P Waves- present, positive, 1:1
PR- >.20 sec constant
QRS- .04-.10 sec
Rx- none
A

NSR, SB, ST, SA with First Degree Block

26
Q

Rhythm- Atrial regular, ventricular irregular (grouped beatings)
Rate- 60-99 or <60
P Wave- present, positive, not 1:1, 1 more P than QRS (1 QRS blocked)
PR- progressively lengthens (prolongs) until QRS is blocked (varies)
QRS- .04-.10 or >.10 sec
Rx- if symptoms- TCP, atropine

A

Second Degree, Type I

Mobitz I, Wenkebach

27
Q

Rhythm- Atrial regular Ventricular irregular (grouped beatings
OR regular ventricular complexes regularly blocked
Rate- 60-99 or <60
P Waves- present, positive, not 1:1, more P’s than QRS’s (QRS’s “blocked”) (ratio 3:2, 4:3, etc)
PR- .12-.20 or >.20 sec Constant when present (until blocked by the QRS’s)
QRS- .04-.10 or >.10 sec
Rx- if symptoms- TCP, atropine (avoid atropine for wide QRS

A

Second Degree, Type II

Mobitz II

28
Q

Rhythm- Regular A&V
Rate- 60-99 or <60 (usually)
P Waves- present, positive, not 1:1, complete A-V dissociation
PR- varies, not constant
QRS- .04-.10 or >.10 sec
Rx- if symptoms-TCP (atropine ONLY if QRS is normal)

A

Third Degree Block

Complete

Summary Of Cardiac Rhythms (1 decks)

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