21 results
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Antiarrhythmics ... depolarization in fast AP cells ... EricsMedicalLectures/ #Antiarrhythmics ... Classification #Classes ... #cardiology #pharmacology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Antiarrhythmics ... ++ influx into cells ... Vaughan #Williams #Pharmacology ... #pathophysiology ... #cardiology
Wolff–Parkinson–White syndrome (WPW) is one of several disorders of the electrical system of the heart that
Wolff–Parkinson–White syndrome ... WPW is caused by ... #Pathophysiology ... #Diagnosis #Cardiology ... #MedStudent #EKG
Pisa Syndrome (pleurothotonus) on Physical Exam
A tonic flexion of the trunk of the body to one
Pisa Syndrome (pleurothotonus ... Caused commonly ... Pathophysiology: ... FatimahDandan #Pisa #Syndrome ... PhysicalExam #clinical #neurology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Antiarrhythmics ... Pharmacology Summary ... #Pharmacology # ... #pathophysiology ... #phases #cardiology
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... Pulmonary Disease Neurologic ... Myasthenia Gravis Pharmacologic ... • Drug Abuse (e.g ... Chronic Fatigue Syndrome
Anticonvulsants as Mood Stabilizers: Mechanism and Side-effect
Examples: Valproate, Carbamazepine, Lamotrigine
 • Mild anticholinergic effect -> Drowsiness
Stevens-Johnson Syndrome ... , asthenia • Neurologic ... Systemic effect -> Nausea ... #SideEffects #Pathophysiology ... #Psychiatry #Pharmacology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... (2) Sick Sinus Syndrome ... 200ms from longer pause ... block (lower AV cells ... electrocardiogram #cardiology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... high WBC count cause ... : • Pathophysiology ... Lysis of tumor cells ... unless worrisome EKG
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
Demyelinating Syndrome ... Disease, PRES Pathophysiology ... autoantibodies that will cause ... Lumbar Puncture, EEG ... Erythematosus #SLE #CNS #neurology