22 results
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Second degree AV ... interval (normal or prolonged ... (AV node). ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
Block - "If your ... conduction with prolonged ... progressively prolonged ... heartblock #cardiology #ecg ... #ekg #diagnosis
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Visual Guide to AV ... Nodal Reentrant ... Pathophysiology - Dual AV ... - In most case ... ECG usually shows
Second Degree AV Block Type I aka Mobitz I / Wenckebach 
 • Normal P waves.
Second Degree AV ... may be normal or prolonged ... group-beating" on the ECG ... Second #Degree #AVBlock ... diagnosis #cardiology #ecg
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
blocks) - ECG Diagnosis ... may be normal or prolonged ... interval (normal or prolonged ... atrioventricular #blocks #AVBlock ... #ecg #diagnosis
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... PT and/or aPTT Prolonged ... Pre-analytical cause ... intravascular coagulation (DIC ... #Causes #diagnosis
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
: • Prolonged ... Wenckebach): • Prolonged ... • Block in AV ... beyond AV node) ... electrocardiogram #ecg
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Diagnosis for a Prolonged ... aPTT are both prolonged ... Causes include : ... Pre-analytical cause ... intravascularcoagulation (DIC
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... rhythms (5) AV ... 200ms from longer pause ... block (lower AV ... bradyarrhythmia #ECG
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
• Third degree block ... • First degree AV ... brady/arrest, prolonged ... • Reversible causes ... of AV block -