171 results
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
JTc=QTc-QRS When ... than prolonged QT ... Interval #JTInterval #QTc ... electrocardiogram #pathophysiology ... #ekg #ecg #cardiology
Algorithm for the Management of Ventricular Tachycardia Electrical Storm
ES diagnosed (≥ 3 episodes of VT/ICD therapies
Algorithm for the Management ... of reversible causes ... VT • Normal QTc ... • Long QTc (Torsades ... VTach #diagnosis #management
Alcohol Withdrawal Summary

Pathophysiology, Symptoms, Cause, Course, Management 

#Diagnosis #Management #Pathophysiology #Alcohol #Withdrawal #Symptoms
Withdrawal Summary Pathophysiology ... , Symptoms, Cause ... , Course, Management ... #Diagnosis #Management ... #Pathophysiology
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... nodal conduction Uses ... Digoxin effect on ECG ... waves - Short QT ... Cardiology #Digitalis #ECG
Syncope is a sudden, transient loss of consciousness, which is thought to be secondary to cerebral
cardiac syncope, e.g ... frequently benign causes ... further guide management ... and an initial ECG ... depends on the cause
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
repolarization causes ... in conduction causes ... prolonged PR and QT ... #Hyperkalemia #EKG ... #ECG #Changes #
High Output Heart Failure - Pathophysiology and Differential Diagnosis
Obesity - Systemic Vasodilation, Vasoactive Adipokines
Arteriovenous Fistula -
Heart Failure - Pathophysiology ... - Congenital (e.g ... HHT), Acquired (e.g ... HeartFailure #CHF #Pathophysiology ... Diagnosis #cardiology #causes
Cyanide Toxicity 
Treatment:
1) Hydroxocobalamin + Cyanide = Cyanocobalamin (nontoxic) 
   or 
2) Amyl nitrite
Amyl nitrite - causes ... Toxicity #Toxicology #Pathophysiology ... #Management #Treatment
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 200ms from longer pause ... :1 , 3:2, 4:3, etc ... - , 3:1, 4:1, etc ... bradyarrhythmia #ECG
Bradycardia Diagnostic and Management Algorithm

CONSIDER ETIOLOGY (not inclusive): 
 - STRUCTURAL: sick sinus, AV block, ischemia,
Diagnostic and Management ... typhoid, malaria, etc ... channel blockers, etc ... LIFE THREATENING CAUSES ... #Diagnosis #Management