19 results
Wolff-Parkinson-White Syndrome

WPW is a congenital abnormality characterized by an abnormal accessory conduction pathway between the atria
pathway between the atria ... QRS interval on EKG ... is ablation. 1 ... #ECG #EKG #Electrocardiogram ... #Clinical #Diagnosis
1. "Sinus Tach" at ~150 bpm is your cue to look for flutter waves
2. Don't trust
1. ... #Clinical #EM #Cardiology ... #ECG #Atrial #Flutter
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
Arrhythmias on ECG ... tachycardia ECG ... not gradual in contrast ... #diagnosis #ekg ... electrocardiogram #clinical
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
Negative Contrast ... Diagnosis 1. ... Small secundum ASD ... #clinical #echocardiogram ... #s4c #pocus #bubble
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
arrhythmia syndromes (e.g ... Hypokalemia • Bundle ... 300 = NSVT EKG ... capture of the atria ... #cardiology
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
In AVNRT, the atria ... and ventricles contract ... EKG of the same ... excludes other differentials ... that’s called “clinical
Peripartum Cardiomyopathy - Summary
1. Definition
 • Towards the end of pregnancy to 5 months postpartum
Differential Diagnosis ... (e.g., familial ... hemodynamics (e.g ... LVEF recovery (e.g ... teratogenic GDMT meds (e.g
Septal Hypertrophic Cardiomyopathy (HOCM)

52yo worsening exertional sx and murmur. EKG nonspecific, Serial trops (-) 
EM resident
EKG nonspecific, ... Serial trops (- ... ) EM resident ... #HOCM #HCM #clinical ... echocardiogram #plax #cardiology
This is a parasternal long axis view of a young patient presenting with 3 days of
x-ray and and ECG ... the OR in under 1 ... root, and left atrium ... Northwestern University #Clinical ... #EM #Radiology
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... exam • 12-lead ECG ... Valvular disease (e.g ... Pheochromocytoma • Pulmonary ... #Differential #