70 results
Drugs affecting the cardiac action potential. The sharp rise in voltage ("0") corresponds to the influx
to the sodium-channel ... voltage-sensitive calcium channels ... Antiarrhythmics #Classes ... #Effect #ActionPotentials
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... CLASS 1 - Sodium Channel ... Block fast Na+ channels ... #Pharmacology #Classification ... #Classes #pathophysiology
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
and Nephrotic Syndromes ... Nephritic syndrome—due ... RBC casts in urine ... but in severe cases ... #Classification
Brugada syndrome with non-sustained VT; sodium channel blocking drugs (e.g. amio, procainamide) can be dangerous here!

-
Brugada syndrome ... non-sustained VT; sodium channel ... amalmattu #Brugada #syndrome ... #Electrocardiogram
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Depolarization: • Na+ channels ... Phase • Ca++ channels ... Vaughan Williams Classification ... #Pharmacology #Classification ... #Classes #pathophysiology
Hypercalcemia - EKG Findings
Causes of Hypercalcemia 
• Malignancy 
• Milk-alkali syndrome 
• Vitamin D toxicity 
•
EKG Findings Causes ... • Milk-alkali syndrome ... Hypercalcemia #EKG #ECG #Electrocardiogram ... #Differential #Causes
Classification of Jaundice
Unconjugated hyperbilirubinemia (predominantly indirect bilirubin)
 • Increased bilirubin production (eg, hemolytic anemias, hemolytic reactions,
Classification of ... cholestasis, and some cases ... miscellaneous causes ... #Jaundice #Classification ... #differential #causes
Wellen's Syndrome 
Type A - Biphasic T wave 
Type B - Deeply inverted T wave
Wellen's Syndrome ... intervention #Wellens #Syndrome ... #TypeA #TypeB #Classification ... Cardiology #EKG #ECG #Electrocardiogram
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Vaughan Williams Classification ... Ib, Ic) - Na+ Channel ... Class III - K+ Channel ... VaughanWilliams #Classification ... #Classes #cardiology
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
Classification, ... - Nephrotic syndrome ... #Hyponatremia #Classification ... Diagnosis #Table #Causes