220 results
CARDIAC MYOCYTE POTENTIALS

#Pathophysiology #Cardiology #Cardiac #Myocyte #Ventricular #ActionPotentials #Channels #Phases
CARDIAC MYOCYTE ... Cardiology #Cardiac #Myocyte
Cardiac Myocyte Contractile cycle
 - Ca2+ binds to TnC → TnI is inhibited → conformational change
Cardiac Myocyte ... Pathophysiology #Cardiology #Myocyte
Action potential in cardiomyocytes
The action potential in typical cardiomyocytes is composed of 5 phases (0-4), beginning
ActionPotential #Myocytes
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Dissociation Causes ... • Infectious Causes ... , Typhoid fever, ... Non-Infectious Causes ... differential #diagnosis #causes
Faget's Sign & Liebermeister's Rule
Pulse-Temperature Dissociation
EVERY 1 F RISE IN TEMPERATURE -> HR INCREASES 8-10 BPM
INFECTIOUS
BPM INFECTIOUS CAUSES ... • Typhoid Fever ... OTHER CAUSES ... There are specific cases ... #differential #causes
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... Psittacosis, Q fever ... , Typhoid fever, ... , Dengue fever, ... #bradycardia #Causes
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Overlap Syndrome: Fever ... ANTI-SYNTHETASE SYNDROME: • Fever ... levels 50X ULN • Myocyte ... statins - probably caused
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
pharyngeal erythema, fever ... pharyngeal erythema, fever ... attack meninges -> Fever ... Sudden onset of fever ... pruritic rash, fever
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Fever Patterns - ... Continuous Fever ... (Step ladder: fever ... or no fever • ... Non-Infectious Causes
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis
 • Infection: Extrapulmonary tuberculosis, Abscess, Endocarditis,
Causes of Fever ... Brucellosis, Q fever ... vasculitis to cause ... , Factitious fever ... Differential #Diagnosis #causes