13 results
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
Irregularly irregular rhythm ... varying PP, PR and ... At-least 3 distinct P-wave ... Tachycardia #diagnosis #cardiology ... #EKG #ECG #Electrocardiogram
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
rhythm & Multifocal ... Irregular P P, RR and ... not gradual in contrast ... #cardiology #diagnosis ... #ekg #electrocardiogram
Ectopic atrial rhythm
 • The atrial rate is less than 100 bpm.
 • PR interval within
Ectopic atrial rhythm ... as AV junctional ... #rhythm #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... leads except aVR and ... (between QRS and ... #Electrocardiogram ... #cardiology #diagnosis
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wellens' Sign: LAD-T ... without chest pain, as ... Serial EKGS in pts ... EKG #ECG #Electrocardiogram ... #Diagnosis #Cardiology
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
In AVNRT, the atria ... contract nearly ... to JV when RA contracts ... EKG of the same ... PhysicalExam #JVP #Cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
J point • De Winter ... V2 • Wellens sign ... #EKG #diagnosis ... #differential #cardiology ... #electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Narrow & regular rhythm ... QRS • Atrial ... summary #Diagnosis #EKG ... #electrocardiogram ... #ecg #cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
rhythmic. ... Wandering Atrial ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Equivalents / Don't Miss Signs ... bigger than QRS - deWinter ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #STEMI