908 results
Internal Jugular Vein Rouleaux Flow on POCUS

Amazing video of a dilated IJV showing Rouleaux flow. Whenever
Vein Rouleaux Flow ... showing Rouleaux flow ... Whenever the blood flow ... causes the RBCs to clump ... ria_dancel #Rouleaux #Flow
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
Plump gram-positive ... Plump gram-negative ... Pneumonia #Patterns #Diagnosis
Cardiac Cycle - Pathophysiology
 - Atrial Contraction
 - Isovolumetric Contraction
 - Rapid Ventricular Ejection
 - Slow
Cardiac Cycle - Pathophysiology ... Ventricular Ejection - Slow ... Ventricular Filling - Slow ... Cardiac #Cycle #Pathophysiology
The Mini-Mental State Examination (MMSE) is commonly used as a screening tool to detect dementia. However,
Mental Status (SLUMS ... #Diagnosis #Geriatrics ... #Dementia #SLUMS
Coronary Oxygen Balance 

Myocardial Oxygen Demand <-> Coronary Artery Blood Flow <-> Oxygen Availability

#cardiac #oxygen #pathophysiology
Coronary Artery Blood Flow ... cardiac #oxygen #pathophysiology
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
Insufficient blood flow ... SvO2 → Low PaO2 ... CaO2 → Low SvO2 ... #differential #diagnosis ... #causes #pathophysiology
Pathophysiology Based Approach to Hyponatremia - Diagnostic Algorithm

Not the "classic" Volume based approach. 

#Hyponatremia #Algorithm #Pathophysiology
Pathophysiology ... Hyponatremia - Diagnostic ... Hyponatremia #Algorithm #Pathophysiology ... #Diagnosis #Differential
Pulmonary Function Testing: Flow Volume Loop Patterns
 • Variable extra-thoracic obstruction - truncated or flattened inspiratory
Function Testing: Flow ... flattened inspiratory flow ... the expiratory flow ... and expiratory flows ... PFTs #patterns #diagnosis
Septic Arthritis: Pathogenesis and clinical findings
Notes:
- Septic Arthritis is typically monoarticular & the knee is involved
- decr blood flow ... 50% neutrophils, low ... SepticArthritis #pathophysiology ... #diagnosis
Chvostek Sign on Physical Exam

Young man presented with history of fatigue, muscle cramps and features suggestive
ionized calcium low ... postoperative appendicular lump