8 results
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
Degree AV Block ... 200 msec) • P wave ... random fashion with progressive ... #heartblock #cardiology ... ekg #diagnosis #electrocardiogram
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
Second-degree AV ... disease of the AV ... characterized by progressive ... interval on the electrocardiogram ... P wave (i.e., a
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
Second-degree AV ... disease of the AV ... characterized by progressive ... interval on the electrocardiogram ... P wave (i.e., a
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Dropped P • Progressive ... • Block in AV ... beyond AV node) ... Diagnosis #EKG #electrocardiogram ... #ecg #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
interval < 120 ms = AV ... >200ms • 2° Block ... progression ST ... Interpretation #ECG #Electrocardiogram ... #cardiology #diagnosis
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
The heart rate change ... the presence of AV ... block. ... Pacemaker: • The change ... diagnosis #ekg #ecg #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Bundle Branch Block ... bundle-branch block ... • Hypercalcemia ... dissection • Sodium-channel ... #ecg #ekg #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
The heart rate change ... the presence of AV ... block. ... Pacemaker: • The change ... diagnosis #ekg #ecg #electrocardiogram