21 results
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
(EKG) Digoxin ... and atrial flutter ... Digoxin effect on ECG ... #EKG #Cardiology ... #Digitalis #ECG
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... bradyarrhythmia #ECG ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #differential
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
The 4 Variants of ... the presence of AV ... Wandering Atrial ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
bradycardia, Sick Sinus ... Type 1 2°) • His-purkinje ... Flutter (AFL), ... Differential #Diagnosis #Causes ... #cardiology
Wandering atrial pacemaker - ECG Diagnosis
 • The change in P wave contour is gradual
 •
pacemaker - ECG ... • Variant of ... #pacemaker #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
The 4 Variants of ... the presence of AV ... Wandering Atrial ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
evaluating for other causes ... Adrenergic Drive: • Sinus ... in relation to ECG ... AcutePE #diagnosis #cardiology ... #electrocardiogram
Ectopic atrial rhythm
 • The atrial rate is less than 100 bpm.
 • PR interval within
P wave during sinus ... maybe mistaken as AV ... #rhythm #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
High-grade AV Block aka Advanced AV Block
 • During sinus rhythm, when 2 or more P
aka Advanced AV ... Block • During sinus ... clinically concerning variant ... Advanced #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate with AV ... flutter, ectopic ... Control rate (e.g ... Control rate (e.g ... Treatment #management #cardiology