22 results
Pacemaker Evaluation Algorithm by Lorne Costello

#Diagnosis #ECG #EKG #Pacemaker #Evaluation #Algorithm #PPM
Pacemaker Evaluation ... #Diagnosis #ECG ... #EKG #Pacemaker ... Evaluation #Algorithm #PPM
Distinguishing Between Benign Early repolarization vs STEMI on EKG
#Diagnosis #Cardiology #ECG #EKG #Repolarization #STEMI #Comparison #Table
Between Benign Early repolarization ... vs STEMI on EKG ... Diagnosis #Cardiology #ECG ... #EKG #Repolarization ... STEMI #Comparison #Table
Pacemaker Coding Terminology
#Diagnosis #Cardiology #PPM #Pacemaker #LetterCode #Coding #Classification #Table #CoreEM
Pacemaker Coding ... Diagnosis #Cardiology #PPM ... #Pacemaker #LetterCode ... Classification #Table
Pacemaker Operating Modes
1 - Chamber paced
     A (atrium), V (ventricle), D (dual/both)
2
Pacemaker Operating ... period of time the pacemaker ... would trigger pacemaker-mediated ... The voltage the pacemaker ... #PPM #Operating
The first three letters refer to chamber paced, chamber sensed, and response to sensed events. The
#Cardiology #PPM ... #Pacemaker #LetterCode ... Classification #Table
Temporary / External Pacing
 • Transvenous & epicardial pacing are temporary methods of supporting brady- &
permanent implanted pacemaker ... required to trigger depolarization ... to identify a depolarization ... MD @nickmmark #pacemaker ... #PPM #Temporary
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
MI in LBBB or Pacemaker ... Identify LBBB or Pacemaker ... axis deviation Pacemaker ... from native + PM ... electrocardiogram #ecg
Pacemaker Timing Settings
 • Lower rate limit (50-60 bpm) - The lowest rate at which the
Pacemaker Timing ... period of time the pacemaker ... or paced atrial depolarization ... after ventricular depolarization ... #PPM #Timing #Pacing
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
Hyperkalemia shortens repolarization ... 6.0 mEq/L, rapid repolarization ... #Hyperkalemia #EKG ... #ECG #Changes # ... Progression #Table
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... II (3) 60-100 bpm ... ectopic atrial pacemaker ... leads rsr'), V-pacemaker ... #Approach #ECG