40 results
H’s and T’s Mnemonic - Causes of Cardiac Arrest
H's - Hypovolemia, Hypoxia, Hydrogen Ions (acidosis), Hyperkalemia
T’s Mnemonic - Causes ... of Cardiac Arrest ... H's - Hypovolemia ... #differential # ... diagnosis #acls #checklist
“H’s & T’s“ - The reversible causes of Cardiac Arrest 
Hypovolemia, Hypoxia/Hypoxemia, Hydrogen Ion Excess (Acidosis),
The reversible causes ... of Cardiac Arrest ... Hypovolemia, Hypoxia ... #HsTs #acls #differential ... diagnosis #arrest #management
Shock - Differential Diagnosis Algorithm
Warm Extremities
 - Distributive Shock - Low JVP
Shock - Differential ... Pneumothorax • Cardiac ... Tamponade - Hypovolemic ... #Hypotension #Differential ... Diagnosis #Algorithm #causes
Hypotension / Shock Differential Diagnosis Algorithm
Hypovolemic:
 • Poor oral intake
 • Hemorrhage
 • Renal loss
 •
Differential Diagnosis ... Algorithm Hypovolemic ... Obstructive: • Cardiac ... #Hypotension #Differential ... #causes
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
Tachypnea - Differential ... motion (PVFM) Cardiac ... Pulmonary embolism • Cardiac ... dehydration • Hypovolemic ... shock (blood and
Pulse Abnormalities - Differential Diagnosis Algorithm
Unequal/DeIayed:
 • Obstructive arterial disease (ie. Atherosclerosis)
 • Aortic dissection
 •
Abnormalities - Differential ... pressure >10mmHg: • Cardiac ... of Asthma • Hypovolemic ... shock • Constrictive ... Diagnosis #Algorithm #causes
Shock - Differential Diagnosis Framework
 - MAP <65. SBP <90, drop in SBP > 40
 -
Shock - Differential ... Pneumothorax, Cardiac ... compression • Hypovolemic ... #Differential # ... algorithm #treatment #management
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Shock - Differential ... MAP = CO x SVR Hypovolemic ... findings based on cause ... uw_IMresidency #Shock ... #Differential #
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
osmolarity If cause ... remains unclear AND hypovolaemia ... Vasculits: ANCA, ANA ... CK-MB, NT-proBNP, cardiac ... Diagnosis #nephrology #causes
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
neuraxial block, hypovolaemia ... rhythm, treat as hypovolaemia ... #Hypotension #Differential ... Intraoperative #Checklist ... #Diagnosis #Management