16 results
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Classic Digoxin-Associated ... Arrhythmias • Atrial ... EricsMedicalLectures/ #Digoxin ... Arrhythmias #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram ... (EKG) Digoxin ... fibrillation and atrial ... or biphasic T waves ... #EKG #Cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... • Saw-Tooth = Atrial ... hypokalaemia or bradycardia ... #Electrocardiogram ... #cardiology #diagnosis
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
seen are sinus bradycardia ... , sino-atrial (SA ... Non-paroxysmal atrial ... #Diagnosis #Cardiology ... #EKG #ECG #Digoxin
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 3 different P waves ... 60 (1) Sinus bradycardia ... #electrocardiogram ... #cardiology #differential
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
narrow-based T Waves ... widening • Sinus bradycardia ... of conduction block ... #ECG #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 ... Serial EKGS in pts ... #Wellens #Sign # ... EKG #ECG #Electrocardiogram ... #Diagnosis #Cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
non-conducted P wave ... Non-conducted P waves ... P and QRS • Atrial ... #electrocardiogram ... #ecg #cardiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Approach to ECGs ... Equivalents / Don't Miss Signs ... - starts below ... #electrocardiogram ... #cardiology #STEMI
Bradycardia
1) First Steps: IV, O2, Monitors, ECG, Pads on patient, Crash Cart in room. Is patient
Bradycardia 1) ... worsening brady, Signs ... : Bad block? ... intrinsic rate (start ... Start pacing.