1193 results
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
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
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
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
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
Comparison Table of Induction Agents in Anesthesiology
 - Sodium thiopental 
 - Propofol 
 - Etomidate
Comparison Table ... of Induction Agents ... MarkHarrisMD #Induction ... Anesthesia #Comparison #Table
Thyroid Function Test Interpretation Table

TSH, Free T4, Free T3 and Associated Condition
#Diagnosis #Endocrinology #Hyperthyroid #Hypothyroid #Function
Interpretation Table ... and Associated Condition ... TFTs #Comparison #Table
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
False-Negative Contingency Table ... who do have the condition ... patients without a condition ... #Contingency #Table
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