13 results
Causes, classification and compensatory responses to shock.

Shock can be caused by any pathological process that leads
Causes, classification ... Shock can be caused ... vasodilatation, myocardial dysfunction ... The cause of shock ... #Differential #Causes
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
death -> end-organ dysfunction ... - Low CO and therefore ... #Classification ... #differential #causes ... #classification
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
death -> end-organ dysfunction ... - Low CO and therefore ... #Classification ... #differential #causes ... #classification
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Excessive GI losses ... renal tubular dysfunction ... Differential #Diagnosis #Low ... Magnesium #Table #Classification ... #Causes #Workup
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Causes of Lactate ... The most common causes ... - Many other causes ... Causes of elevated ... Causes of Lactate
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Prolonged PT/PTT • Low ... 64%) • Renal dysfunction ... (16%) • Shock ... Treat primary cause ... Coagulation #diagnosis #causes
Modified dengue severity classification, PAHO/WHO
Dengue without warning signs - DNWS:
 • Person who lives or has
dengue severity classification ... Leukopenia • Cases ... Shock or respiratory ... Shock evidenced ... bleeding: based on evaluation
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
• Common Causes ... medications, pancreatic dysfunction ... total body stores Evaluation ... leukopenia and/or low ... pit, low retic
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Preoperative Risk Evaluation ... Performance thorough ... ASA class If ... or LV dysfunction ... Orthopedic • Low
Bladder outlet obstruction (BOO)

Functional obstruction may be caused by detrusor-sphincter dyssynergia (DSD), either at the level
or pelvic floor dysfunction ... the most common cause ... Other causes of ... for complicated cases ... evaluation.