31 results
Normal QT Interval Measurement
General rule: QT interval should be < 1/2 RR interval
   -
Normal QT Interval ... Measurement General ... Interval #Normal #Measurement ... #cardiology #diagnosis ... #ecg #ekg #electrocardiogram
Inverted P Waves:
(A) Ectopic atrial rhythm
(B) Junctional rhythm 

#Inverted #PWaves #cardiology #diagnosis #ekg #ecg #electrocardiogram #differential
: (A) Ectopic atrial ... Inverted #PWaves #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram ... #differential #
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
Isoelectric segment with positive ... Inferior leads: "Positive ... aflutter #ecg #ekg #electrocardiogram ... #cardiology #clinical ... #diagnosis #comparison
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
• ↑ Ca - short QT ... • ↓ Ca - long QT ... EKG #Checklist #diagnosis ... #cardiology #electrocardiogram ... #differential
QT / QTc Interval Measurement in Prominent U Wave
If the U wave is distinct from the
QT / QTc Interval ... Measurement in ... #UWave #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
Isthmus Independent Atrial Flutter
 • Rapid atrial activity without typical inferior sawtooth waves suggests CTI-independent flutter
Isthmus Independent Atrial ... circuit • Positive ... aflutter #ecg #ekg #electrocardiogram ... #cardiology #clinical ... #diagnosis
QT / QTc Interval Measurement in Irregular Rhythms
2 Approaches:
 • Measure and calculate the QTc for
Measurement in ... QTc #Interval #Measurement ... Irregular #Rhythm #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... Diagnosis Algorithm ... setting of long QT ... tachyarrhythmias #Cardiology ... #Differential #
QT / QTc Interval Measurement in Wide QRS Complex
 - A wide QRS complex will lead
Measurement in ... QTc #Interval #Measurement ... #WideQRS #cardiology ... #diagnosis #ecg ... #ekg #electrocardiogram
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
axis swings from positive ... Originates from single focus ... that prolong the QT ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG