2472 results
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential ... Arrhythmias • SA ... escape rhythm, Conduction ... His-purkinje system: Conduction ... > 100 bpm) • SA
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Arrhythmias - Differential ... Sinus Syndrome • SA ... with Variable AV Conduction ... rhythm SVT with conduction ... tachyarrhythmias #Cardiology #Differential
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
Pathophysiology Conduction ... pathways through SA ... diagnosis #cardiology #conduction
Conductive vs Sensorineural Hearing Loss on Physical Exam
Weber Test:
 • Normal: Sound is equal bilaterally
 •
Conductive vs Sensorineural ... bilaterally • Conductive ... • Normal: Air conduction ... • Conductive: ... Bone conduction
Cardiac conducting system 
 - Sinoatrial (SA) node normally generates the action potential, i.e. the electrical
Cardiac conducting ... - Sinoatrial (SA ... - The SA node ... Cardiac #Heart #Conduction
Stimulated
SA node
AV node -
Un-stimulated
#PQ
(mV) 0
ECG (lead II)
QRS
#QRS
#SA node
#AV node
#Bundle of His
Bundle branches
#Purkinje fibers
#QRS
#ST
Stimulated SA node ... ) QRS #QRS #SA
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
tachy not from SA ... /brady) (3) SA ... escaped beats (4) SA ... electrocardiogram #cardiology #differential
Algorithm and Differential Diagnosis of Hearing Loss #Diagnosis #ENT #HearingLoss #Differential #Sensorineural #Conductive #Algorithm #Ddxof
Algorithm and Differential ... #HearingLoss #Differential ... Sensorineural #Conductive
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
degree" • 1:1 conduction ... Block: Delayed conduction ... Less than 1:1 AV conduction ... Block: Slowed conduction ... Block: Slowed conduction
Conductive Hearing Loss - Differential Diagnosis Algorithm

Normal Otoscopy - Middle Ear:
 • Otosclerosis
 • Congenital (Ossicular
Conductive Hearing ... Loss - Differential ... Dysfunction #Conductive ... #HearingLoss #Differential