945 results
CARDIAC MYOCYTE POTENTIALS

#Pathophysiology #Cardiology #Cardiac #Myocyte #Ventricular #ActionPotentials #Channels #Phases
CARDIAC MYOCYTE ... Cardiology #Cardiac #Myocyte
Action potential in cardiomyocytes
The action potential in typical cardiomyocytes is composed of 5 phases (0-4), beginning
Depolarization Phase 1: ... ActionPotential #Myocytes
Cardiac Myocyte Contractile cycle
 - Ca2+ binds to TnC → TnI is inhibited → conformational change
Cardiac Myocyte ... Pathophysiology #Cardiology #Myocyte
Cardiomyopathies 

Manifestations of cardiomyopathy (CM) range from microscopic alterations in cardiac myocytes to fulminant Heart Failure
alterations in cardiac myocytes ... Cardiomyopathies #cardiology #diagnosis
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
- Differential Diagnosis ... myopathies Diagnostic ... Ab • Anti-Jo-1 ... enzymes • Anti-Jo-1 ... levels 50X ULN • Myocyte
Elevated Lactate Dehydrogenase (LDH) - Differential Diagnosis Framework

LDH is a cytoplasmic enzyme present in tissues throughout
- Differential Diagnosis ... Cardiac: • Myocyte ... #differential #diagnosis
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
PMNs and monocytes ... Pneumonia #Patterns #Diagnosis
Fever - Pyrogen Pathophysiology

EXOGENOUS PYROGEN
 • Bacteria: Lipopolysaccharide components, peptidoglycans and muramyl peptide derivatives, Toxins
 •
(neutrophils, monocytes ... pyrogen) TNF, IL-1,
Diagnostic Schema for Hyperferritinemia

Pearl: Diseases associated with extreme elevations: 
1. HLH 
2. Still's disease 
3. Systemic
Diagnostic Schema ... elevations: 1. ... #Differential #Diagnosis
Menstrual Cycle Physiology: Correlating the Ovarian and Uterine Cycles
Note: Some charts show different relative levels of
Ovarian Cycle 1. ... Release of secondary oocyte ... Follows release of oocyte ... Uterine Cycle: 1.