10 results
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... EKG of the same ... to diagnose the ... of narrow complex ... #Cardiology #Neck
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... Atrioventricular dissociation ... activation from SVT (e.g ... #AWaves #diagnosis ... #cardiology #CVP
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
Sinus Arrhythmia ... Sinus #Arrhythmia ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram ... variants #clinical #comparison
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
Sinus Arrhythmia ... Sinus #Arrhythmia ... #cardiology #diagnosis ... #ekg #ecg #electrocardiogram ... variants #clinical #comparison
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
160ms) - AV dissociation ... Fusion beats - a sinus ... VT #VTach #SVT #Comparison ... VentricularTachycardia #Versus #ecg ... #ekg #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... aVR • Classic EKG ... findings: Sinus ... #AVR #leadAVR #ecg ... #ekg #differential
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
syndromes (e.g. ... 300 = NSVT EKG ... Diagnosis: • PAC ... more intensive treatment ... #differential #
Shock - Diagnosis and Management Summary
 • Hypotension: SBP<90, SBP drop >40, MAP<65 (Normotension, HTN possible
Shock - Diagnosis ... telemetry, 12-Lead EKG ... - Distended neck ... crackles, elevated JVP ... #criticalcare #treatment
Multifocal Atrial Rhythm vs Wandering Atrial Pacemaker
Mutifocal Atrial Rhythm / Multifocal Atrial Tachycardia:
Belong to a group
of a variable P-wave ... contrast to AV dissociation ... #cardiology #ekg ... #ecg #electrocardiogram ... #comparison
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
, bradycardia, arrhythmias ... heparinized tube) • ECG ... bradycardia → sine wave ... dose PRN (ongoing arrhythmia ... hypertonic Amp IVP