12 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
SEPSIS AND SEPTIC SHOCK

DEFINITION AND PATHOPHYSIOLOGY
 • Sepsis: Life-threatening organ dysfunction due to a dysregulated host
• 49 million cases ... COMMON CAUSES + ... RISK FACTORS • ... • Risk factors ... all suspected cases
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
Shock Overview ... death -> end-organ dysfunction ... #Classification ... #differential #causes ... #classification
Pulmonary Embolism - Risk Stratification and Prognostication based on scores and clinical features

 • Bova score
Pulmonary Embolism - Risk ... PE-related) • PESI class ... (30-day all cause ... Hemodynamics (Stable ... Transient Hypotension, Shock
Shock Overview
A state of tissue hypoxia due to decreased or dysregulated oxygen delivery or extraction, resulting
Shock Overview ... death -> end-organ dysfunction ... #Classification ... #differential #causes ... #classification
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Shock - Differential ... Diagnosis by Classification ... bradycardia • Sinus pauses ... Differential #Diagnosis #Classification ... #Table #Causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Excessive GI losses ... renal tubular dysfunction ... Low #Magnesium #Table ... #Classification ... #Causes #Workup
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Performance thorough ... ASA class If ... with valvular dysfunction ... or LV dysfunction ... Stable patients
Peripartum Cardiomyopathy - Summary
1. Definition
 • Towards the end of pregnancy to 5 months postpartum
Idiopathic LV dysfunction ... exclude other causes ... thrombus, RV systolic dysfunction ... Pts: cardiogenic shock ... during Delivery • Stable
American Society of Anesthesiologists (ASA) Classification
The ASA classification (Table) aims to predict perioperative mortality rates but
The ASA classification ... (Table) aims to ... substantial increase in risk ... Preoperative #ASA #Classes ... #Risk