22 results
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
also known as Mobitz ... prolongation of the PR ... interval on the electrocardiogram ... QRS complex, the PR ... #Mobitz1 #Mobitz
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
also known as Mobitz ... prolongation of the PR ... interval on the electrocardiogram ... QRS complex, the PR ... #Mobitz1 #Mobitz
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Block type II (aka Mobitz ... There is constant PR ... AVBlock #TypeII #MobitzII ... cardiology #ecg #ekg #electrocardiogram ... #Mobitz2
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
block 1º - long PR ... successively longer PR ... 3, etc.) 2º - Mobitz ... II / Mobitz - , ... EKG #diagnosis #electrocardiogram
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
Degree Heart Block, Mobitz ... • PR interval ... the AV node #Mobitz ... Cardiology #EKG #ECG #Electrocardiogram
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
Degree Heart Block, Mobitz ... branch block • PR ... His-Purkinje system #Mobitz ... Cardiology #EKG #ECG #Electrocardiogram
Pacemaker Placement Indications
Class I:
 • Third degree block
 • Advanced 2nd degree block
 • Symptomatic Mobitz
• Symptomatic Mobitz ... I or II • Mobitz ... unclear origin • Sinus ... arrest, prolonged PR ... , Mobitz I without
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• Prolonged PR ... Treatment 2nd Degree, Mobitz ... • Prolonged PR ... . 2nd Degree, Mobitz ... Diagnosis #EKG #electrocardiogram
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
Osborn) waves • PR ... bradyarrythmias (e.g. sinus ... waves #EKG #ECG #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
4 Variants of Sinus ... Arrhythmia Phasic Sinus ... Non-phasic Sinus ... The P wave and PR ... diagnosis #ekg #ecg #electrocardiogram