8 results
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 ... #AVBlock #cardiology ... electrocardiogram #classification
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
1st Degree Heart Block ... Mobitz I Heart Block ... • Block in AV ... HeartBlocks #Types #Classification ... electrocardiogram #ecg
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 ... by a junctional pacemaker ... #ecg #diagnosis
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
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 ... several cycle the pacemaker ... #ecg #electrocardiogram
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 ... several cycle the pacemaker ... #ecg #electrocardiogram
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
effects of neuraxial block ... reservoir bag moving ... ventilator bellows moving ... and positioning (e.g ... Endocrine cause (eg
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Pardee's sign" + PPD ... downsloping - Coving ... Bundle Branch Block ... bundle-branch block ... diagnosis #cardiology #ecg