6322 results
Torsades de Pointes 
•Precipitated by drugs that prolong the QT interval 
•Class IA antidysrhythmics (procainamide, quinidine)
by drugs that prolong ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG ... #EKG
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
interval (normal or prolonged ... MobitzII #Type2 #diagnosis ... #cardiology #ecg ... #ekg #electrocardiogram
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
by drugs that prolong ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG ... #EKG
Second Degree AV Block Type I aka Mobitz I / Wenckebach 
 • Normal P waves.
may be normal or prolonged ... group-beating" on the ECG ... Type1 #Wenckebach #diagnosis ... #cardiology #ecg ... #ekg #electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Heart Block: • Prolonged ... Wenckebach): • Prolonged ... degrees #summary #Diagnosis ... #EKG #electrocardiogram ... #ecg #cardiology
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
conduction causes prolonged ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
, QRS widening/prolonged ... Syncope #Syndromes #ECG ... #EKG #Checklist ... #diagnosis #cardiology
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
conduction with prolonged ... progressively prolonged ... heartblock #cardiology #ecg ... #ekg #diagnosis
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... junction origin (e.g ... formulas • Prolonged ... @AmyChung #EKG ... Electrocardiogram #cardiology #diagnosis
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
Diagnosis Summary ... may be normal or prolonged ... interval (normal or prolonged ... AVBlock #cardiology #ekg ... #ecg #diagnosis