64 results
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Visual Guide to AV ... Nodal Reentrant ... Pathophysiology - Dual AV ... - In most case ... ECG usually shows
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Atrial flutter • AV ... nodal reentrant ... tachycardia • AV ... reentrant tachycardia
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... PT and/or aPTT Prolonged ... Pre-analytical cause ... intravascular coagulation (DIC ... #Causes #diagnosis
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
Second degree AV ... interval (normal or prolonged ... of the block (AV ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
AVJ Impulse/Rhythm Disturbance in one slide
 • Impulse/Rhythms Originating in the AV Junction
 • Reentrant (reciprocal
Originating in the AV ... Junction • Reentrant ... cardiology #diagnosis #ekg ... #ecg #electrocardiogram
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Diagnosis for a Prolonged ... aPTT are both prolonged ... Causes include : ... Pre-analytical cause ... intravascularcoagulation (DIC
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Syndrome (SSS) • AV ... node: AV re-entrant ... tachycardia (AVRT), AV ... nodal re-entrant ... Differential #Diagnosis #Causes
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
First Degree AV ... conduction with prolonged ... progressively prolonged ... heartblock #cardiology #ecg ... #ekg #diagnosis
Torsades de Pointes 
•Precipitated by drugs that prolong the QT interval 
•Class IA antidysrhythmics (procainamide, quinidine)
by drugs that prolong ... quinidine) •Class IC ... Diagnosis #Cardiology #ECG ... #EKG
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
syncope • Prolonged ... • AV block ... Medication side effect (e.g ... Medication side effect (e.g ... Classification #Table #Causes