13 results
Supraventricular Tachycardia EKG

Here’s a great ECG case of a 50-year-old lady who presented with palpitations

Her heart
Supraventricular Tachycardia EKG ... Here’s a great ECG ... #Tachycardia #EKG ... #ECG #Electrocardiogram ... #Cardiology #EKG
Hyperkalemia with Peaked T waves on ECG

These are the classic peaked T-waves of Hyperkalemia. Notice how
Peaked T waves on ECG ... to a baseline ECG ... - Sam Ghali, M.D ... #Hyperkalemia #ECG ... #EKG #Electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 200ms from longer pause ... bradyarrhythmia #ECG ... #EKG #diagnosis ... #electrocardiogram
Vasopressors Table 
Rough properties by Target Receptor, Heart Rate/Inotropy, Systemic Vascular Resistance, Cardiac Output, Blood Pressure,
Vasopressors Table ... Resistance, Main Uses ... /kg/min - Milrinone ... Vasopressors #Properties #Table ... #Pharmacology #
Common Vasopressors and Inotropes
Norepinephrine (NE)
 - Indication: Distributive shock (1st line for septic shock), Cardiogenic shock
is not desired (e.g ... is not desired (e.g ... Inotropes #comparison #table ... #pharmacology # ... criticalcare
Cardiac Stress Testing
Exercise:
 • Everyone who can exercise should!
 • They must be able to raise
• They must be able ... 85% of predicted value ... production to cause ... arrythmias Diagnostics: EKG
GLP-1 Receptor Agonists - Pharmacology Summary
Mechanisms of Action: Stimulate glucose-dependent insulin release from the pancreas (GLP-1
Receptor Agonists - Pharmacology ... Ozempic), or daily tablet ... side effects (e.g ... not definitively cause ... Receptor #Agonists #Pharmacology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
with previously stable ... values. 3. ... risk factors (eg ... hypertension (eg ... hypertension (eg
Mask Oxygen Delivery Devices

Simple Mask aka Hudson's Mask:
 • Flow 6-10 LPM
 • FiO2 35-50%
Face Tent:
tight-fitting mask (e.g ... A venturi mask uses ... The venturi valves ... have two one-way valves ... management #pulmonary #criticalcare
Imaging Modalities for Renal Calculus

AXR. KUB
 - Good far calcium-containing stones useful when limited radiation dose
is desirable, e.g ... obstruction - Able ... identify non-calculus causes ... MRI - Limited value ... for non-calculus causes