3034 results
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Arrhythmias • SA ... escape rhythm, Conduction ... His-purkinje system: Conduction ... > 100 bpm) • SA ... Differential #Diagnosis #Causes
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
Sinus Syndrome • SA ... with Variable AV Conduction ... rhythm SVT with conduction ... rhythm SVT with conduction ... Diagnosis #Algorithm #causes
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
Drugs Causing Acute Pancreatitis

Class Ia: The medications in which there was a rechallenge and other causes
rechallenge and other causes ... out other common causes ... Class II: Cases ... and atleast4 case ... #Pancreatitis #Causes
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
HyperK vs VT > SVT+conduction ... whether AF is cause ... Tx: Underlying cause ... PMVT vs AFib + conduction ... Narrow #Irregular #causes
Types of hearing loss #Peds #PrimaryCare #Causes #HearingLoss #Conductive #Sensorineural #BMJ
#PrimaryCare #Causes ... #HearingLoss #Conductive
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
tachy not from SA ... /brady) (3) SA ... escaped beats (4) SA ... 200ms from longer pause