36 results
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... Digoxin effect on ECG ... at therapeutic level ... Electrocardiogram #EKG ... Cardiology #Digitalis #ECG
Approach to Selecting Respiratory Support:
-The role of noninvasive respiratory support is generally to reduce the patient's
-Serial evaluation ... patient's diagnosis (e.g ... #Management #CriticalCare ... #BiPAP #BiLevel
Checklist for Evaluation of New-Onset Delirium in the ICU

Initial assessment 
 - 
Vital signs, neuro exam
Relevant drug levels (e.g ... Carboxyhemoglobin level ... Substantially reduced level ... rigidity) Consider EEG ... #Workup #MICU #CriticalCare
Pancreatitis management checklist 
Evaluation to guide etiology & management 
 - RUQ ultrasound 
 - Calcium
- Triglyceride level ... septic shock (e.g ... resuscitation (e.g ... choledolithiasis (e.g ... Diagnosis #Management #CriticalCare
Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
arrhythmia: - EKG ... their validity (e.g ... clinical context & EKG ... target potassium level ... Hypokalemia #Management #CriticalCare
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
P and QRS • Atrial ... Block infranodal level ... summary #Diagnosis #EKG ... electrocardiogram #ecg
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Osmolality > 300 mmol/kg ... Polyuria scheme) e.g ... Osmolality < 300 mmol/kg ... • Decreased level ... Hypernatremia #Nephrology
Clinical Management for Three Common Causes of Shock 
HEMORRHAGIC SHOCK
 • Ensure adequate ventilation and oxygenation.
when possible (eg ... dysrhythmias (eg ... , atrial fibrillation ... reverse the insult (eg ... Shock #Management #CriticalCare
Overview of approach to brain death

Pursuing a diagnosis of brain death too early may lead to
brain activity on neurologic ... with brain death (e.g ... with brain death (e.g ... #Diagnosis #CriticalCare
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
dialysis indication (e.g ... require urgent nephrology ... Nephrotoxic drugs (e.g ... obstruction: • Trial ... workup #diagnosis #nephrology