20 results
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
Tachycardia - Differential ... • SVT. 140-280 ... waves, is MAT ... • DDx: SVT + ... Diagnosis #Management #cardiology
De Winter T-Waves on EKG
 - Anterior OMI
 - 2% of left anterior descending occlusions
 -
on EKG - Anterior ... (>1mm) at J point ... FOAMfrat #DeWinter #TWaves ... #EKG #ECG #Electrocardiogram ... #diagnosis #cardiology
Supraventricular tachycardia (SVT) is an abnormally fast heart rhythm arising from improper electrical activity in upper
Supraventricular tachycardia ... flutter, and Wolff-Parkinson-White ... Symptoms may include ... Clinical #MedStudent #Cardiology ... #EKG #SVT #SupraVentricularTachycardia
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 ... "PSVT" (atrioventricular ... diagnosis #causes #cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
(AVNRT, OAVRT, AFIutter ... ) • P-waves. ... > SVT+conduction ... variable block >> MAT ... Irregular #causes #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
w/ BBB (3) SVT ... (MAT) - 3 ... different P waves ... #EKG #diagnosis ... electrocardiogram #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
overdose: Prominent R wave ... prominent terminal R wave ... tachycardia (SVT ... criteria only looks at ... #differential #cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
segment at (or ... ms after) the J ... Winter syndrome - J-point ... #EKG #diagnosis ... #differential #cardiology
De Winter's T Waves

Concerning for proximal LAD occlusion (Present in 2% of patients)
 • Upsloping ST-Depression
• Upsloping ST-Depression ... at J Point in leads ... #DeWinters #TWaves ... #EKG #ECG #diagnosis ... #cardiology #electrocardiogram
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
fibrillation and atrial flutter ... (at therapeutic ... : - Scooping ST ... or biphasic T waves ... #Cardiology #Digitalis