11 results
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential ... (MAT) • AV node ... ), AV nodal re-entrant ... #Diagnosis #Causes ... #cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Tachycardia - Differential ... variable block >> MAT ... abnormality • Beware AV ... nodal blockers ... #cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Nodal Reentrant ... - In most case ... ECG usually shows ... at rates of 120 ... Pathophysiology #cardiology
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
- Decreases AV ... nodal conduction ... Uses: - Atrial ... (at therapeutic ... #Cardiology #Digitalis
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Control rate with AV ... nodal blocking ... Treat underlying cause ... atrial flutter or MAT ... Treatment #management #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(MAT) - 3 ... different P waves ... #EKG #diagnosis ... electrocardiogram #cardiology ... #differential
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Elevation - Differential ... block; and sinus tachycardia ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
short QT, Osborn J ... assoc with 1K, AV ... HOCM- dagger Q lat ... #diagnosis #cardiology ... electrocardiogram #differential
WOBBLER  for ECG assessment in Syncope 
W - Wolff Parkinson White 
O - Obstructed AV
O - Obstructed AV ... is obstructed AV ... syncope, can be caused ... a bit like the J ... #Cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
heart disease Causes ... 300 = NSVT EKG ... Differential ... PVC #diagnosis #differential ... #cardiology