43 results
Complete (3rd Degree) Heart Block on ECG

ECG of a man brought to the ER by paramedics
Complete (3rd Degree ... ) Heart Block on ... an episode of syncope ... @EM_RESUS #Complete ... HeartBlock #ECG #EKG #Electrocardiogram
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Second degree AV Block ... location of the block ... • The QRS complex ... location of the block ... cardiology #ecg #ekg #electrocardiogram
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
• The QRS complex ... may progress to complete ... aka Complete Heart ... rhythm with complete ... ecg #diagnosis #electrocardiogram
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
First Degree AV Block ... preceding each QRS complex ... • Site of Block ... wave (ventricular complex ... ekg #diagnosis #electrocardiogram
Syncope - Differential Diagnosis Framework
Reflex Syncope:
• Vasovagal: Prolonged standing, Stress, Pain
• Situational: Coughing, Sneezing, Micturition, Defecation,
Syncope - Differential ... Framework Reflex Syncope ... Medication Effect: a-blockers ... bradycardia, Sinus pauses ... , AV block • Tachyarrhythmias
Syncope - Differential Diagnosis
The percentage of syncopal events secondary to arrhythmias or structural disease is generally
Syncope - Differential ... percentage of syncopal ... Sick sinus, AV block ... Others Non-syncopal ... differential #diagnosis #causes
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
• Third degree block ... or 3rd degree block ... Tri-fascicular block ... • Reversible causes ... of AV block -
66 yo with syncope - Ventricular Tachycardia

This ECG shows a wide-complex tachycardia in a right bundle
66 yo with syncope ... ECG shows a wide-complex ... bundle branch block ... There is a RS complex ... Cardiology #ECG #EKG #Electrocardiogram
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
Second-degree AV block ... node.Mobitz I heart block ... interval on the electrocardiogram ... 'dropped' QRS complex ... the dropped QRS complex
Hallmark ECG features of Ventricular Tachycardia (VT)
AV indicates atrioventricular; LAD, left axis deviation; LBBB, left bundle
bundle branch block ... bundle branch block ... and WCT, wide complex ... VTach #ECG #EKG #Electrocardiogram