Download Tricks in Heart Block Cheat Sheet and more Cheat Sheet Cardiology in PDF only on Docsity!
Heart Block Tricks from Terry
20 rhythm strips on precourse assessment with the following matching choices:
Agonal rhythm/asystole Atrial Fibrillation Atrial Flutter Ventricular Fibrillation Monomorphic Ventricular Tachycardia Normal Sinus Rhythm Polymorphic Ventricular Tachycardia Pulseless Electrical Activity Supraventricular Tachycardia Second-degree atrioventricular block (Mobitz I, Wenckebach) Second-degree atrioventricular block (Mobitz II block) Sinus bradycardia Sinus tachycardia Third-degree atrioventricular block RHYTHM & ♥ ETIOLOGY
CRITERIA
OVERVIEW
UNIQUE
CRITERIA
SAMPLE STRIPS
***Normal Sinus
Rhythm
♥ Normal, None RHY – Regular R – 60- P – Upright PRI – 0.12 – 0. QRS – 0.04 –
None, normal rhythm
***Sinus
Tachycardia
♥ Exercise ♥ Anxiety ♥ Caffeine ♥ Nicotine ♥ Fever ♥ Shock ♥ CHF ♥ Hypotension ♥ Pain ♥ Hypoxemia ♥ Anterior MI RHY – Regular R – 100 - 160 P – Upright PRI – 0.12 – 0. QRS – 0.04 –
Rate 100 - 160
***Sinus RHY – Regular Rate below
Heart Block Tricks from Terry
RHYTHM &
♥ ETIOLOGY
CRITERIA
OVERVIEW
UNIQUE
CRITERIA
SAMPLE STRIPS
Bradycardia
♥ Damage SA ♥ Normal sleep athletes ♥ Vagal ♥ Glaucoma ♥ Hypothermia ♥ Inferior MI ♥ Drugs – MS, digoxin, Inderal ♥ IICP R – below 60 P – Upright PRI – 0.12 – 0. QRS – 0.04 –
***PVC/PVD
Premature Ventricular Contraction/Depolarizati on ♥ Hypoxia, ♥ Hypotension ♥ anemia ♥ Ischemic hrt dis ♥ Electrolytes ♥ M.I. ♥ Myocarditis, pericarditis ♥ CHF ♥ Stress, fatigue, smoking, overeating, caffeine ♥ Hypoglycemia ♥ Sepsis ♥ Cyclic anti- depressants ♥ Acidosis
AN ECTOPIC
BEAT
RHY – Irregular R – 60- P – Upright PRI – 0.12 – 0. QRS– 0.04 – 0. SR, early beat has VENT beat (wide & bizarre)
Supraventricular
Tachycardia
♥ Not visible sudden start or stop. RHY – Regular R – 160 - 250 P – Upright PRI – 0.12 – 0. QRS– 0.04 – 0. Rate above 160 - 250
***Atrial Flutter RHY – Regular or Regular or
Heart Block Tricks from Terry
RHYTHM &
♥ ETIOLOGY
CRITERIA
OVERVIEW
UNIQUE
CRITERIA
SAMPLE STRIPS
***2nd degree AV
Block
Type II or Mobitz
II
RHY – Regular or Irregular PRI – constant QRS – normal or wide Regular or Irregular EXTRA Ps
3rd degree AV
Block, Complete
Heart Block
♥ Same as 1st^ degree RHY - Regular PRI – vary QRS – usually wide Regular EXTRA Ps PRI varies greatly
***Ventricular
Tachycardia
monomorpic
♥ All complexes are the same shape and look the same ♥ Wide complex tachycardia RHY – Regular R – Above 100 P – None PRI –None QRS – Wide, Bizarre R over 100 All Vent beats
***Ventricular
Fibrillation
♥ Following V Tach ♥ Acute MI ♥ Electrolyte Imbalance RHY – Chaotic R – None P – None PRI –None QRS – none, fibrillatory line Chaotic wavy line. No pulse.
Rhythm Strip Samples to help with ACLS Precourse Assessment
RHYTHM &
♥ ETIOLOGY
CRITERIA
OVERVIEW
UNIQUE
CRITERIA
Torasades de
Pointes
Polymorphic
ventricular
tachycardia
Best Treated with
magnesium
RHY – Chaotic waves R – None P – None PRI –None QRS – points twist Chaotic wavy line. No pulse. Points twist
***Agonal
♥ Dying heart ♥ Drugs used in cardiac arrest provide some electrical waves. RHY – Regular R – Slow P – None PRI – None QRS – very very wide Slow wide bizarre stretched out waves. No Pulse
***Asystole
♥ Primary event in cardiac arrest. ♥ Untreated V-tach or V-fib RHY – None unless only Ps R – No Vent rate P – may be present PRI – None QRS – None Straight line or only Ps No Pulse
Calculating Heart Rate
Table for Small Box Method To calculate the heart rate, count the number of 0.04 squares (or small boxes) Small Boxes from R to R
elp with ACLS Precourse Assessment with Unique Criteria.
Heart Block Tricks from Terry
UNIQUE
CRITERIA
SAMPLE STRIP
Chaotic wavy No pulse. Points twist Slow wide stretched out Straight line or only Ps No Pulse
Calculating Heart Rate - note strips on pretest are longer than 6 seconds.
To calculate the heart rate, count the number of 0.04 squares (or small boxes) between two QRS complexes (1500 divid
with Unique Criteria.
SAMPLE STRIPS
note strips on pretest are longer than 6 seconds.
between two QRS complexes (1500 divided by X = HR)
Heart Block Tricks from Terry
http://www.univie.ac.at/cga/courses/BE513/EKG/qrs.gif http://pspl.technion.ac.il/projects/2004s22/ecg1.JPG
