12 results
Pacemaker Evaluation Algorithm by Lorne Costello

#Diagnosis #ECG #EKG #Pacemaker #Evaluation #Algorithm #PPM
Pacemaker Evaluation ... Algorithm by Lorne ... #Diagnosis #ECG ... #EKG #Pacemaker ... #PPM
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... by a junctional pacemaker ... an infra-Hisian pacemaker ... #ecg #diagnosis ... electrocardiogram #classification
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• Treatment: Pacemaker ... • Treatment: Pacemaker ... HeartBlocks #Types #Classification ... summary #Diagnosis #EKG ... electrocardiogram #ecg
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
normal • The PP ... presence of AV block ... Wandering Atrial Pacemaker ... #ecg #electrocardiogram ... variants #clinical #comparison
Iron Deficiency Anemia - Differential Diagnosis Algorithm

Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR

 • Blood loss:
Iron Deficiency ... Differential Diagnosis Algorithm ... Achlorhydria: PPI ... /H2 blocker, H. ... Differential #Diagnosis #Algorithm
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
II (3) 60-100 bpm ... ) - HiPR: AV block ... ectopic atrial pacemaker ... leads rsr'), V-pacemaker ... #Approach #ECG
Third Degree AV Block aka Complete Heart Block
 • In sinus rhythm with complete AV block,
Third Degree AV Block ... Complete Heart Block ... by a junctional pacemaker ... an infra-Hisian pacemaker ... #ecg #diagnosis
Causes of Iron Deficiency - Differential Diagnosis Algorithm
 • Blood loss: GI (cancer, ulcer, IBD), GU
Causes of Iron Deficiency ... Differential Diagnosis Algorithm ... achlorhydria: PPI ... or H2-blocker, ... Diagnosis #Causes #Fe #algorithm
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Differential Diagnosis Algorithm ... Volume (<80 fL) • Iron ... Chronic Disease (e.g ... #Anemia #MCV #Classification ... Differential #Diagnosis #Algorithm
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
normal • The PP ... presence of AV block ... Wandering Atrial Pacemaker ... #ecg #electrocardiogram ... variants #clinical #comparison