94 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
Classification: CLASS ... 1 - Sodium Channel ... Block fast Na+ channels ... duration: - CLASS ... Classification #Classes
Causes of ST Elevation in ECG

#STElevation #STEMI #ECG #EKG #Electrocardiogram #Causes #Differential #ABCHELP #Mnemonic
Causes of ST Elevation ... STEMI #ECG #EKG #Electrocardiogram ... #Causes #Differential
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Classification: CLASS ... duration - CLASS ... duration - CLASS ... & AP duration CLASS ... Classification #Classes
Hypercalcemia - EKG Findings
Causes of Hypercalcemia 
• Malignancy 
• Milk-alkali syndrome 
• Vitamin D toxicity 
•
EKG Findings Causes ... Hypercalcemia #EKG #ECG #Electrocardiogram ... #Differential #Causes
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Classification Class ... Ib, Ic) - Na+ Channel ... III - K+ Channel ... IV - Ca2+ Channel ... Classification #Classes
Wide Complex Tachycardia - ECG Definition and Causes
 • Wide Complex Tachycardia (WCT) is a cardiac
Definition and Causes ... tachycardia or WQRST Causes ... Ventricular pacing • Electrocardiogram ... cardiology #ekg #ecg #electrocardiogram ... #differential #causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Bleeding • GI losses ... • Renal losses ... /CRF Hormonal changes ... Diagnosis #Algorithm #Causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Bleeding • GI losses ... • Renal losses ... /CRF Hormonal changes ... Diagnosis #Algorithm #Causes
Causes of Peripheral Weakness - With and Without Sensory Changes - Differential Diagnosis Algorithm
With Sensory Changes:
Causes of Peripheral ... Without Sensory Changes ... With Sensory Changes ... Without Sensory Changes ... Diagnosis #Algorithm #Causes