11 results
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... aVR • Classic EKG ... , atrial tachycardia ... #AVR #leadAVR #ecg ... electrocardiogram #diagnosis #ekg
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Converts - Probably AVnRT ... Control rate (e.g ... with caution in pulmonary ... Control rate (e.g ... with caution in pulmonary
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 ... #ekg #electrocardiogram ... #clinical #comparison
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
, the atria and ... ventricles contract ... to JV when RA contracts ... EKG of the same ... excludes other differentials
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 #
Wolff–Parkinson–White syndrome (WPW) is one of several disorders of the electrical system of the heart that
pathway between the atria ... (known as the bundle ... ventricles to contract ... reciprocating tachycardia ... #MedStudent #EKG
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
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
Tachycardia: Belong ... rhythm, in sharp contrast ... #Rhythm #tachycardia ... #ekg #ecg #electrocardiogram ... #comparison
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Segment Elevation - Differential ... QRS complex Pulmonary ... block; and sinus tachycardia ... #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Libman Sacks) • Atrial ... Cerebral > Splenic, pulmonary ... Marantic (NTBE) Differential ... Paradoxical emboli via ASD ... ↑ ESR, CRP • EKG