10 results
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
Second Degree Heart Block ... always within the AV ... #SecondDegree #HeartBlock ... #Diagnosis #Cardiology ... #EKG #ECG #Electrocardiogram
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
Second Degree Heart Block ... is below the AV ... #SecondDegree #HeartBlock ... #Diagnosis #Cardiology ... #EKG #ECG #Electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Block in AV ... beyond AV node) ... degrees #summary #Diagnosis ... #EKG #electrocardiogram ... #ecg #cardiology
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
) Blocks First ... Degree AV Block ... #heartblock #cardiology ... #ecg #ekg #diagnosis ... #electrocardiogram
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... Diagnosis Summary ... #AVBlock #cardiology ... #ekg #ecg #diagnosis ... #electrocardiogram
Second Degree AV Block Type I aka Mobitz I / Wenckebach 
 • Normal P waves.
Second Degree AV ... Block Type I aka ... Type1 #Wenckebach #diagnosis ... #cardiology #ecg ... #ekg #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
block (lower AV ... bradyarrhythmia #ECG ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
assoc with 1K, AV ... #EKG #Checklist ... #diagnosis #cardiology ... #electrocardiogram ... #differential
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... Diagnosis Algorithm ... 2nd/3rd degree AV ... Block • Pacemaker ... Diagnosis #Algorithm
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
boxes) - HiPR: AV ... block - LoPR: ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #interpretation