20 results
Bedside Classification of Shock

Hypovolemic shock 

- Vomiting, diarrhea, overdiuresis 

- Hemorrhage (GI, peritoneal, RP) 

Distributive shock
Classification of Shock ... Hypovolemic shock ... Acute valve dysfunction ... Prosthetic valve dysfunction ... Cardiogenic #Comparison #Table
Systemic Inflammatory Response Syndrome (SIRS) Criteria - Definitions of Sepsis, Severe Sepsis and Septic Shock

Systemic Inflammatory
Inflammatory Response Syndrome ... Sepsis and Septic Shock ... Inflammatory Response Syndrome ... drop > 40 (Organ dysfunction ... hypoperfusion) Septic Shock
SEPSIS AND SEPTIC SHOCK

DEFINITION AND PATHOPHYSIOLOGY
 • Sepsis: Life-threatening organ dysfunction due to a dysregulated host
Life-threatening organ dysfunction ... cellular/metabolic dysfunction ... Infection + Organ dysfunction ... /hypofunction. ... to assess organ dysfunction
Shock Classification
Shock Definition: State of cellular and tissue hypoxia due to: reduced oxygen delivery, increased oxygen
Shock Classification ... Shock Definition ... shock. ... END-ORGAN DYSFUNCTION ... warm #wet #dry #table
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
renal tubular dysfunction ... renal Mg wasting syndromes ... - Gitelman syndrome ... - Hungry bones syndrome ... Low #Magnesium #Table
Systemic Inflammatory Response Syndrome (SIRS)
•	Non-specific (infections vs non-infectious)
•	≥2 of the following:
o	Temp >38°C or <36°C
o	HR >90 bpm
o	RR
Inflammatory Response Syndrome ... Sepsis • Organ dysfunction ... hypoperfusion/organ dysfunction ... Septic Shock • ... #sepsis #sirs #shock
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Shock - Differential ... anaphylaxis, release syndrome ... uw_IMresidency #Shock ... Differential #Diagnosis #table
Inpatient Cath Lab Indications
Cath Lab ASAP:
STEMI
NSTEMI:
1. Unstable/cardiogenic shock
2. Severe LV dysfunction or
3. Recurrent/persistent rest angina despite
Unstable/cardiogenic shock ... Severe LV dysfunction ... Rx: NSTEMI/UA: stable
Lactic Acidosis - Differential Diagnosis Framework

Type A: Impaired O2 Delivery (DO2)
 • Decreased O2 Delivery: Hypotension
Cardiogenic & Septic Shock ... Ischemia, Compartment Syndrome ... Microcirculatory dysfunction ... Mitochondrial dysfunction ... in Short Bowel Syndrome
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Myocardial • Systolic Dysfunction ... • Diastolic Dysfunction ... Artery Disease • Stable ... Acute Coronary Syndrome