436 results
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
- Differential Diagnosis ... Cardiac: • Myocyte ... myocarditis, rheumatic fever ... #differential #diagnosis
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
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
- Differential Diagnosis ... myopathies Diagnostic ... Overlap Syndrome: Fever ... ANTI-SYNTHETASE SYNDROME: • Fever ... levels 50X ULN • Myocyte
Faget Sign - Pulse-Temperature Dissociation
Causes of Relative Bradycardia
 • Infectious Causes: Legionella, Psittacosis, Q fever, Typhoid
Psittacosis, Q fever ... , Typhoid fever, ... , Dengue fever, ... , Drug fever ... #differential #diagnosis
Cardiomyopathies 

Manifestations of cardiomyopathy (CM) range from microscopic alterations in cardiac myocytes to fulminant Heart Failure
alterations in cardiac myocytes ... Cardiomyopathies #cardiology #diagnosis
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Psittacosis, Q fever ... , Typhoid fever, ... , Dengue fever, ... , Drug fever ... #differential #diagnosis
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Fever Patterns - ... Differential Diagnosis ... Continuous Fever ... (Step ladder: fever ... #Differential #Diagnosis
Faget's Sign & Liebermeister's Rule
Pulse-Temperature Dissociation
EVERY 1 F RISE IN TEMPERATURE -> HR INCREASES 8-10 BPM
INFECTIOUS
Psittacosis • Q Fever ... • Typhoid Fever ... • Drug Fever ... Typhoid Fever (S ... #Dissociation #diagnosis