11 results
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
(MAT) ≥ 3 different ... P wave morphologies ... Atrial flutter ... differential #diagnosis #causes ... #cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
) • P-waves. ... variable block >> MAT ... whether AF is cause ... Tx: Underlying cause ... #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(MAT) - 3 ... different P waves ... 200ms from longer pause ... #EKG #diagnosis ... electrocardiogram #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Possible atrial flutter ... Treat underlying cause ... or MAT - Control ... Treat underlying cause ... Treatment #management #cardiology
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
nodal conduction Uses ... fibrillation and atrial flutter ... (at therapeutic ... or biphasic T waves ... #Cardiology #Digitalis
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... block; and sinus tachycardia ... voltage Other Causes ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
WOBBLER  for ECG assessment in Syncope 
W - Wolff Parkinson White 
O - Obstructed AV
syncope, can be caused ... characteristically cause ... a bit like the J ... Mnemonic #Syncope #EKG ... #Cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
heart disease Causes ... 300 = NSVT EKG ... , and the T-wave ... Supraventricular tachycardia ... #differential #cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Nodal Reentrant Tachycardia ... - In most case ... ECG usually shows ... at rates of 120 ... Pathophysiology #cardiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... Paroxysmal AF, atrial flutter ... Atrial fibrillation/flutter ... associated with anxiety may ... #Palpitations #Cardiology