31 results
Causes of Acute Dyspnea - Differential Diagnosis Algorithm
Cardiovascular
 • Myocardial Infarction*
 • Cardiac Tamponade*
 • CHF
Pleural
Causes of Acute ... Infarction* • Cardiac ... Tamponade* • ... Aspiration* • Anaphylaxis ... * #Acute #Dyspnea
Anaphylaxis: Signs and Symptoms
Anaphylaxis: when any egg of three conditions is met:
1. Acute onset of skin/mucosal
Anaphylaxis: Signs ... Acute onset of skin ... symptoms in the acute ... -> Circulatory collapse ... seizures) - Cardiac
Hypotension / Shock Differential Diagnosis Algorithm
Hypovolemic:
 • Poor oral intake
 • Hemorrhage
 • Renal loss
 •
Dysrhythmia • Acute ... infarction • Acute ... Medication • Anaphylaxis ... Obstructive: • Cardiac ... tamponade • Tension
Approach to the Hypotensive Patient - Differential Diagnosis Framework for Hypotension

Blood Pressure = Heart Rate x
Bradycardia (inadequate cardiac ... • Pericardial tamponade ... insufficiency (MC) Cardiac ... muscle rupture • Acute ... • Sepsis • Anaphylaxis
Bedside Classification of Shock

Hypovolemic shock 

- Vomiting, diarrhea, overdiuresis 

- Hemorrhage (GI, peritoneal, RP) 

Distributive shock
Adrenal crisis - Anaphylaxis ... - Post-cardiac ... infarction Tamponade ... cardiomyopathy Acute
Shock and Vasoactive Drugs 
1) Determine type and etiology of shock
 • Distributive: Sepsis, Anaphylaxis, Neurogenic
Distributive: Sepsis, Anaphylaxis ... • Cardiogenic: Acute ... MI, Acute Heart ... Obstructive: Pericardial tamponade ... inopressors #diagnosis #management
Pulse Abnormalities - Differential Diagnosis Algorithm
Unequal/DeIayed:
 • Obstructive arterial disease (ie. Atherosclerosis)
 • Aortic dissection
 •
pressure >10mmHg: • Cardiac ... tamponade • AECOPD ... / Acute Exacerbation ... followed by rapid collapse
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Cardiogenic (Intra-cardiac ... heart failure, acute ... → tension PTX, cardiac ... tamponade, Vascular ... Sepsis. neurogenic, anaphylaxis
Intraoperative Anaphylaxis - Guidelines for Crises in Anaesthesia
• Unexplained hypotension
• Unexplained bronchospasm (wheeze may be absent
Intraoperative Anaphylaxis ... • Unexpected cardiac ... Anesthesiology #Anesthesia #Intraoperative ... #Checklist #Diagnosis ... #Management #Workup
Cardiac Tamponade - Guidelines for Crises in Anaesthesia
Caused by an accumulation of blood, pus, effusion fluid
Cardiac Tamponade ... Plan definitive management ... #Anesthesia #Intraoperative ... #Checklist #Diagnosis ... #Management #Workup