2085 results
Hypoxia and Hypoxemia - Overview
Hypoxia - insufficient oxygen delivered to tissues to meet demands
Hypoxemia - low
cardiac output) - Low ... SvO2 → Low PaO2 ... COHb, MetHb) - Low ... CaO2 → Low SvO2 ... diagnosis #causes #pathophysiology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Normal Acid-Base: Low ... Ureterosigmoidoscopy • HTN, Low ... Non-reabsorbable anions ... causes #potassium #low
Primary vs Secondary Adrenal Insufficiency - Pathophysiology
Primary AI = adrenal glands themselves are the problem. This
Insufficiency - Pathophysiology ... aldosterone will be low ... Low ACTH leads to ... stimulation, thus low ... Insufficiency #Pathophysiology
Distribution of Magnesium in the Body
66% in Bones
33% in Muscles
1% in Serum
 • 60-70% Free (ionized)
10% Complexed w/ low ... molecular weight anions
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Diagnosis Algorithm Low ... Nonreabsorbable anions
Cardiac Cycle - Pathophysiology
 - Atrial Contraction
 - Isovolumetric Contraction
 - Rapid Ventricular Ejection
 - Slow
Cardiac Cycle - Pathophysiology ... Ventricular Ejection - Slow ... Ventricular Filling - Slow ... Cardiac #Cycle #Pathophysiology
Pathophysiology of Tumor Lysis Syndrome (TLS)
Tumor Cell Lysis
-> Release of DNA
 • Purines -> Hypoxanthine /
Pathophysiology ... -> Uric Acid (low ... Urate Nephropathy (low ... Syndrome #TLS #Pathophysiology
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Non-reabsorbed anions ... Renin-Secreting Tumor Low ... aldosteronism Low ... Renin, Low Aldosterone
Unmeasured Anions Associated with an Elevated Anion Gap and Metabolic Acidosis

#Unmeasured #Anions #Gap #Metabolic #Acidosis #Diagnosis
Unmeasured Anions ... #Unmeasured #Anions
Coronary Oxygen Balance 

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

#cardiac #oxygen #pathophysiology
Coronary Artery Blood Flow ... cardiac #oxygen #pathophysiology