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

P waves and QRS complexes are normal but... 
•
• PR interval ... always within the AV ... #Type1 #Type1 #SecondDegree ... #HeartBlock #Diagnosis ... #ECG #Electrocardiogram
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
• PR intervals ... is below the AV ... Type2 #TypeII #SecondDegree ... #HeartBlock #Diagnosis ... #ECG #Electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Dominant R wave in aVR ... all leads except aVR ... /QTC Interval: ... • QT interval is ... #Electrocardiogram
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... widened QRS and QTc ... interval, RAD 130 ... #AVR #leadAVR #ecg ... #electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Degree, Mobitz II HeartBlock ... • PR intervals ... • Block in AV ... #electrocardiogram ... #ecg #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... PR intervals >120 ... block (lower AV ... #electrocardiogram ... #cardiology #differential
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
with prolonged PR interval ... progressively prolonged PR intervals ... Blocks #heart #heartblock ... #cardiology #ecg ... #electrocardiogram
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... assoc with 1K, AV ... Syncope #Syndromes #ECG ... diagnosis #cardiology #electrocardiogram ... #differential
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... dextrocardia, normal Intervals ... block - LoPR: ... ICD/pacer - QTc ... #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Segment Elevation - Differential ... interval J Wave ... depression in aVR ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram