18 results
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Atrial fibrillation ... 3 different P wave ... "PSVT" (atrioventricular ... #differential #diagnosis ... #causes #cardiology
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Caused by atrial ... dissociation + retrograde atrial ... activation from SVT ... (e.g., junctional ... #diagnosis #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Acute myocardial ... Subepicardial atrial ... aVR • Classic EKG ... tachycardia (SVT ... #cardiology
ECG changes in Pulmonary Embolism
 - 
Sinus tachycardia 
 - 
Complete or incomplete RBBB 
 -
Embolism - Sinus tachycardia ... V1 - Right atrial ... Pulmonary #Embolism #AcutePE ... #EKG #Findings ... #Diagnosis
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
EKG in Acute Pulmonary ... evaluating for other causes ... Drive: • Sinus Tachycardia ... • Dominant R Wave ... #diagnosis #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
flutter (3) SVTs ... 3 different P waves ... 200ms from longer pause ... #EKG #diagnosis ... electrocardiogram #cardiology
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
in acute pericarditis ... leads indicates atrial ... 3 - diffuse T wave ... indefinitely inverted #Diagnosis ... #EM #IM #Cardiology
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
SVT - Wide Tachycardias ... nadir of the S-wave ... #Comparison #VentricularTachycardia ... #Versus #ecg #ekg ... #cardiology #diagnosis
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
- Differential Diagnosis ... Palpitations Diagnosis ... Arrhythmias: • SVT ... & termination: SVT ... #Palpitations #Cardiology
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
tachycardia ECG ... #rhythm #tachycardia ... #cardiology #diagnosis ... #ekg #electrocardiogram ... #clinical #comparison