25 results
Pacemaker Evaluation Algorithm by Lorne Costello

#Diagnosis #ECG #EKG #Pacemaker #Evaluation #Algorithm #PPM
Pacemaker Evaluation ... Algorithm by Lorne ... #Diagnosis #ECG ... #EKG #Pacemaker ... #PPM
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
MI in LBBB or Pacemaker ... : - Paced: ... from native + PM ... Diagnosis #Checklist #EKG ... electrocardiogram #ecg
Pacemaker Operating Modes
1 - Chamber paced
     A (atrium), V (ventricle), D (dual/both)
2
Modes 1 - Chamber paced ... the device will pace ... tachycardia) Additional Settings ... #PPM #Operating ... Modes #Pacing #settings
Pacemaker Timing Settings
 • Lower rate limit (50-60 bpm) - The lowest rate at which the
Pacemaker Timing ... Settings • Lower ... the device will pace ... after a sensed or paced ... cardiology #management #settings
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
II (3) 60-100 bpm ... ectopic atrial pacemaker ... , ↑K, ICD/pacer ... #Approach #ECG ... #EKG #diagnosis
Third Degree AV Block aka Complete Heart Block
 • In sinus rhythm with complete AV block,
AV block, the PP ... by a junctional pacemaker ... an infra-Hisian pacemaker ... Complete #cardiology #ekg ... #ecg #diagnosis
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
normal • The PP ... Wandering Atrial Pacemaker ... several cycle the pacemaker ... cardiology #diagnosis #ekg ... #ecg #electrocardiogram
Hypercalcemia - Differential Diagnosis Algorithm
Primary Hyperparathyroidism
 • Adenoma
 • Hyperplasia
 • MEN 1 and 2A
Tertiary Hyperparathyroidism
Hypercalcemia (in the setting ... Hypercalcemias (e.g ... Bone Resorption (e.g ... 1,25-(OH)2D3 (e.g ... Calcium Intake (e.g
Pacemaker Operating Modes
1 - Chamber paced
     A (atrium), V (ventricle), D (dual/both)
2
Pacemaker Operating ... Modes 1 - Chamber paced ... modulation R - Paced ... #PPM #Operating ... Modes #Pacing #settings
Causes of Post-Partum Hemorrhage - Differential Diagnosis Algorithm
Blood Loss: >500mL post vaginal delivery OR >1000 mL
Differential Diagnosis Algorithm ... Uterine fatigue (e.g ... coagulopathy (e.g ... PostPartum #Hemorrhage #PPH ... Differential #Diagnosis #Algorithm