8 results
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
• Third degree block ... induced 2nd or 3rd ... degree block Class ... • Reversible causes ... #Indications #PPM
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
1st Degree Heart Block ... Mobitz I Heart Block ... 3rd Degree, Complete ... Heart Block: ... HeartBlocks #Types #Classification
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
, the PP and RR ... usually 40-60 bpm ... by a junctional pacemaker ... an infra-Hisian pacemaker ... electrocardiogram #classification
Third Degree AV Block aka Complete Heart Block
 • In sinus rhythm with complete AV block,
Third Degree AV Block ... Complete Heart Block ... with complete AV block ... #ThirdDegree #3rd ... #AVBlock #Complete
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... Syndrome • SA Block ... • AV Block (ISt ... /2nd /3rd degree ... #causes
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Differential Diagnosis Algorithm ... Node) • 2nd/3rd ... degree AV Block ... • Pacemaker ... #causes
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
dissociation: 3rd ... deg AV block, or ... , as this case, ... a dual-chamber PPM
LAD
IWMI
LAHB
RAD
[PHB
RVH
Lateral wall infarct
Lead reversal
Dextrocardia
Wide ORS
RBBB - terminal delay
[BBB
IVED
WPW = delta wave
Hyperkalemia
Type l antiarrhythmic drugs
Pacemaker
ST elevation
Early repolarization
antiarrhythmic drugs Pacemaker ... hypertrophy Sinus pause ... Sinus arrest SA block ... Type1AntiarrhythmicDrugs #Pacemaker ... STdepression #Ischemia #DigEffect