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clinical diagnosis ekg echocardiogram electrocardiogram differential tachycardia ventricular algorithm cardiac complex effusion fibrillation pathophysiology pericardial psax s4c syncope tamponade ultrasound
Causes of Tachycardia - Differential Diagnosis Algorithm Narrow Complex - Regular: • Sinus tachycardia • Atrial flutter
Causes of Tachycardia ... Atrial flutter • AV ... nodal reentrant ... tachycardia • AV ... #cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology - Dual AV nodal physiology is
Visual Guide to AV ... Nodal Reentrant ... - In most case ... ECG usually shows ... Pathophysiology #cardiology
AVJ Impulse/Rhythm Disturbance in one slide • Impulse/Rhythms Originating in the AV Junction • Reentrant (reciprocal
Originating in the AV ... Junction • Reentrant ... impulses) #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
Ventricular Parasystole on EKG Normal AV conduction depolarizes the ventricle before the parasystolic focus fires - Dr. Eric
Parasystole on EKG ... Normal AV conduction ... the parasystolic focus ... #ECG #electrocardiogram ... #cardiology #clinical
Anatomical Differential Diagnosis for Arrhythmias • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS) • AV
Syndrome (SSS) • AV ... node: AV re-entrant ... nodal re-entrant ... Differential #Diagnosis #Causes ... #cardiology
Digoxin effect on Electrocardiogram (EKG) Digoxin is a cardiac glycoside from the foxglove leaf Mechanism - Inhibits Na-K
- Decreases AV ... nodal conduction Uses ... Digoxin effect on ECG ... #Cardiology #Digitalis ... #ECG
Approach to ECGs - Tachy/Bradyarrhythmias Tachyarrhythmias - HR > 100 Wide (1) VT - DANGER (2)
Approach to ECGs ... rhythms (5) AV ... 200ms from longer pause ... bradyarrhythmia #ECG ... electrocardiogram #cardiology
Echocardiogram Windows - Nomenclature Each view is described using three (3) components 1) Transducer Position or "Window"
Imaging Plane, e.g ... Structures Visualized, e.g ... Aortic valve (AV ... #Nomenclature #POCUS ... #cardiology #views
Torsades de Pointes • "Twisting of the pointes" • QRS axis swings from positive to negative direction
Originates from single focus ... quridine) Class IC ... TorsadesDePointes #Diagnosis #Cardiology ... #ECG #EKG
Cannon A Waves • Caused by atrial contracting against a closed tricuspid valve • Atrioventricular dissociation
Cannon A Waves • Caused ... , it indicates AV ... activation from SVT (e.g ... AWaves #diagnosis #cardiology
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