10 results
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
• During sinus ... by a junctional pacemaker ... an infra-Hisian pacemaker ... #AVBlock #cardiology ... electrocardiogram #classification
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
Pacemaker Placement ... • Third degree block ... or 3rd degree block ... unclear origin • Sinus ... #Indications #PPM
Third Degree AV Block aka Complete Heart Block
 • In sinus rhythm with complete AV block,
Third Degree AV Block ... Complete Heart Block ... • In sinus rhythm ... with complete AV block ... ThirdDegree #3rd #AVBlock
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
4 Variants of Sinus ... normal • The PP ... presence of AV block ... Wandering Atrial Pacemaker ... several cycle the pacemaker
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... • Sick Sinus ... Syndrome • SA Block ... • AV Block (ISt ... Differential #Diagnosis #Algorithm
Pacemaker Indications
Class I
 • Symptomatic sinus node dysfunction
 • 3° AV or type 2 2° AV
Pacemaker Indications ... • Symptomatic sinus ... or type 2 2° AV block ... or Type 1 2° AV block ... #PPM #indications
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Differential Diagnosis Algorithm ... : • Sick Sinus ... /3rd degree AV Block ... • Pacemaker ... Differential #Diagnosis #Algorithm
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
4 Variants of Sinus ... normal • The PP ... presence of AV block ... Wandering Atrial Pacemaker ... several cycle the pacemaker
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 ... sinus rhythm, treat ... and non-sinus →
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 ... ; and sinus tachycardia