68 results
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Visual Guide to AV ... Nodal Reentrant ... Pathophysiology - Dual AV ... stays inside the AV ... ECG usually shows
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Tachycardia - Differential ... Atrial flutter • AV ... nodal reentrant ... tachycardia • AV ... reentrant tachycardia
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
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential ... Syndrome (SSS) • AV ... node: AV re-entrant ... nodal re-entrant ... Arrhythmias #Anatomical #Differential
Owing to the morbidity and need for urgent treatment, STEMI is the default diagnosis is patients
need for urgent treatment ... features of the EKG ... Diagnosis #Cardiology #EKG ... #ECG #STElevation ... #STSegment #Differential
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... rhythms (5) AV ... block (lower AV ... bradyarrhythmia #ECG ... electrocardiogram #cardiology #differential
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Thrombocytopenia - Differential ... Toxic Damage (e.g ... Displacement (e.g ... • TTP/HUS • DIC ... Thrombocytopenia #Differential
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
• No Treatment ... • Block in AV ... (block beyond AV ... summary #Diagnosis #EKG ... electrocardiogram #ecg
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... assoc with 1K, AV ... Syncope #Syndromes #ECG ... #EKG #Checklist ... electrocardiogram #differential
Common sodium channel blockers which cause QRS widening.

Anticonvulsants: 
 - Carbamazepine 
Antidysrhythmics:  
 - Group
- Group IA and IC ... QRS #widening #ECG ... #EKG #Pharmacology ... Toxicology #Diagnosis #Differential