9 results
Action potential in cardiomyocytes
The action potential in typical cardiomyocytes is composed of 5 phases (0-4), beginning
Action potential ... cardiomyocytes The action ... Depolarization Phase ... #Pathophysiology ... #Depolarization
Action Potential: Depolarization and repolarization of a neuron

#ActionPotential #Depolarization #Repolarization #Neuron #Neurology #Pathophysiology
Action Potential ... : Depolarization ... ActionPotential #Depolarization ... #Neuron #Neurology ... #Pathophysiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
Depolarization: ... , Intermediate Action ... Blockade, Fast Action ... Blockade, Slow Action ... Classification #Classes #pathophysiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
and magnitude of depolarization ... , Intermediate Action ... Blockade, Fast Action ... 4 to slow depolarization ... Classification #Classes #pathophysiology
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
small joints (wrists ... Non-specific Acute-phase ... boggy" joints, esp carpal ... RheumatoidArthritis #RA #pathophysiology
Orbicularis Reflex in an Alzheimer's Patient on Physical Exam

Alzheimer's is a degenerative, progressive and irreversible disease.
memory, speech and notion ... delusions and, in some cases ... reflex, so it arises ... clinical #video #neurology
Scleroderma Renal Crisis (SRC)

Clinical Presentation of Scleroderma Renal Crisis:
1) Acute kidney injury
2) Abrupt onset of hypertension
3)
Scleroderma Renal Crisis ... anemia (MAHA) Pathophysiology ... Initiate ACEi (short-acting ... • Refractory cases ... #rheumatology #nephrology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Incidence: 1 to 2 cases ... infection that cross-reacts ... the underlying pathophysiology ... diagnosis #management #neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
: • 1400 new cases ... • 75-90% of cases ... monophasic Pathophysiology ... than 2/3 of the cross-sectional ... diagnosis #management #neurology