593 results
Wolff-Parkinson-White Syndrome

WPW is a congenital abnormality characterized by an abnormal accessory conduction pathway between the atria
between the atria and ... , and widened QRS ... interval (PR < ... WolffParkinsonWhite #WPW #Cardiology ... Electrocardiogram #Clinical #Diagnosis
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
Elevation of PR ... depression of PR ... PR deviations stage ... indefinitely inverted #Diagnosis ... #EM #IM #Cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• Prolonged PR ... • Prolonged PR ... association between P and ... degrees #summary #Diagnosis ... electrocardiogram #ecg #cardiology
Pericarditis on EKG
Stage 1 - Widespread ST elevation (<5mm) and PR depression; In aVR: ST depression
PR depression; ... ST depression and ... PR elevation Stage ... electrocardiogram #cardiology ... #diagnosis #clinical
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
Wenckebach) P waves and ... • PR interval ... SecondDegree #HeartBlock #Diagnosis ... #Cardiology #EKG
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
with varying PP, PR ... and RR intervals ... #Tachycardia #diagnosis ... #cardiology #EKG
Hypothermia on EKG
 • J (Osborn) waves
 • PR, QRS, and QT prolongation
 • Various bradyarrythmias
Osborn) waves • PR ... , QRS, and QT prolongation ... electrocardiogram #cardiology ... #diagnosis #clinical
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Slows sinus rate and ... prolongs PR interval ... Slow sinus rate and ... prolongs PR interval ... Classification #Classes #cardiology
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
branch block • PR ... SecondDegree #HeartBlock #Diagnosis ... #Cardiology #EKG
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
prolongation of the PR ... QRS complex, the PR ... interval resets and ... Clinical #EM #IM #Cardiology