52 results
Premature atrial complex (PAC) - ECG Recognition
 • Prematurity and altered P wave morphology.
 • P
Premature atrial complex ... look like the sinus ... premature junctional complex ... diagnosis #ekg #ecg #electrocardiogram ... #clinical
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
4 Variants of Sinus ... encompassing a QRS complex ... intervening QRS complex ... diagnosis #ekg #ecg #electrocardiogram ... #variants #clinical
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
VT: - No RS complexes ... - Very broad complexes ... Fusion beats - a sinus ... produce a hybrid complex ... cardiology #diagnosis #electrocardiogram
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Vaughan Williams Classification ... • Widens QRS complex ... cells • Slows sinus ... cells • Slow sinus ... VaughanWilliams #Classification
Atrial trigeminy in which there are two atrial premature contractions (APC's) for every normal sinus complex.
for every normal sinus ... complex. ... #Clinical #MedStudent
Wolff-Parkinson-White (WPW)
- Orthodromic AVRT: Narrow complex, most common 
- Antidromic AVRT: wide complex because goes through
Orthodromic AVRT: Narrow complex ... Antidromic AVRT: wide complex ... Cardiology #ECG #EKG #Electrocardiogram ... #Clinical #Diagnosis
ECG changes in Pulmonary Embolism
 - 
Sinus tachycardia 
 - 
Complete or incomplete RBBB 
 -
Embolism - Sinus ... tachycardia - Complete ... AcutePE #HighRisk #Electrocardiogram
TCA Overdose on EKG
 • Sinus tachycardia
 • QRS prolongation
 • QT prolongation
 • Rightward deviation
Overdose on EKG • Sinus ... antidepressants #EKG #ECG #electrocardiogram ... cardiology #diagnosis #clinical
Wolff-Parkinson-White Syndrome

WPW is a congenital abnormality characterized by an abnormal accessory conduction pathway between the atria
upstroke of QRS complex ... ) 2 Wide QRS complex ... Cardiology #ECG #EKG #Electrocardiogram ... #Clinical #Diagnosis
Pericardial Effusion on EKG
 • Electrical alternans
 • Low voltage
 • Sinus tachycardia (suggests possibility of
Low voltage • Sinus ... Effusion #EKG #ECG #electrocardiogram ... cardiology #diagnosis #clinical