621 results
Progressive ECG changes with increasing 
hyperkalaemia. 
 (a) Normal 
 (b) Tented T wave (arrow)
Progressive ECG changes ... (arrow) with widened ... #Progression #Changes
Focal epithelial hyperplasia/Heck disease. Acanthotic squamous epithelium with widened, confluent rete ridges, mild koilocytic change, and
epithelium with widened ... mild koilocytic change
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Ib, Ic) - Na+ Channel ... fast AP cells • Widens ... Class III - K+ Channel ... Class IV - Ca2+ Channel
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
repolarization; changes ... disappear, QRS widens ... Hyperkalemia #EKG #ECG #Changes
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
elevation - Widened ... dissection • Sodium-channel
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
Widened Pulse Pressure ... Blood Pressure “Widened ... Complications of Widened ... Tricuspid Stenosis #Widened
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Depolarization: • Na+ channels ... Phase • Ca++ channels ... Potential: • K+ channels ... CLASS 1 - Sodium Channel ... Block fast Na+ channels
EKG CHANGES AND TOXICITIES TO CONSIDER

#Diagnosis #Toxicology #EKG #ECG #Toxidromes #Toxicities #Changes #Table
EKG CHANGES AND ... Toxidromes #Toxicities #Changes
Acute Pericarditis - EKG Changes

EKG Progression and Symptoms

#Acute #Pericarditis #Changes #EKG #ECG #Electrocardiogram #Diagnosis #Cardiology #Clinical
Pericarditis - EKG Changes ... #Pericarditis #Changes
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
CLASS 1 - Sodium Channel ... Block fast Na+ channels ... 3 - Potassium Channel ... MOA: Block K+ channels ... Block slow Ca++ channels