8 results
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
Pacemaker Placement ... unclear origin • Sinus ... • Reversible causes ... BrighamMedRes #Pacemaker ... #Indications #PPM
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
• During sinus ... • In sinus rhythm ... by a junctional pacemaker ... an infra-Hisian pacemaker ... electrocardiogram #classification
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 ... variants #clinical #comparison
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Differential Diagnosis Algorithm ... Syndrome • SA Block ... • AV Block (ISt ... Differential #Diagnosis #Algorithm ... #causes
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Differential Diagnosis Algorithm ... : • Sick Sinus ... /3rd degree AV Block ... • Pacemaker ... #causes
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 ... variants #clinical #comparison
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" +
Causes of ST Segment ... Pardee's sign" + PPD ... Bundle Branch Block ... bundle-branch block ... ; and sinus tachycardia