18 results
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
on EKG Typical ... Isoelectric segment with positive ... Inferior leads: "Positive ... #aflutter #ecg ... #cardiology #clinical
Isthmus Independent Atrial Flutter
 • Rapid atrial activity without typical inferior sawtooth waves suggests CTI-independent flutter
Independent Atrial Flutter ... atrial circuit • Positive ... #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical
Typical (Counterclockwise) Atrial Flutter on EKG
 • Inferior leads: Sawtooth waves (fast up, slow down; "negative")
on EKG • Inferior ... Isoelectric segment with positive ... #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical
Class III Antiarrhythmics - Potassium Channel Blockers - Indications and Side Effects
Amiodarone
 • Suppression of VT
Class III Antiarrhythmics ... paroxysmal a-fib/a-flutter ... EricsMedicalLectures/ #ClassIII #Antiarrhythmics ... Channel #Blockers #pharmacology ... #cardiology
Reverse Typical (Clockwise) Atrial Flutter on EKG
 • Inferior leads: "Positive" waves often notched (usually not
on EKG • Inferior ... leads: "Positive ... #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical
Counterclockwise and (Left) vs Clockwise (Right) Flutter
Typical atrial flutter is counterclockwise in direction and originates from
Typical atrial flutter ... This appears as positively-directed ... appearance on ECG ... #Diagnosis #ECG ... #EKG #Cardiology
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... fibrillation and atrial flutter ... biphasic T waves - Short ... Electrocardiogram #EKG ... #Cardiology #Digitalis
Class I Antiarrhythmics and their Key Pharmacologic Properties

Class IA = Quinidine, Procainamide, Disopyramide ("Quarter PounDer")
Class IB
Class I Antiarrhythmics ... and their Key Pharmacologic ... in wide QRS on EKG ... #Pharmacology # ... Agents #Cardiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Antiarrhythmics ... inotropy) ACCP Cardiology ... Vaughan #Williams #Pharmacology ... Classification #Classes #pathophysiology ... #cardiology
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
500 DANGER - Short ... antihistamines, antiarhythmics ... #Approach #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology