25 results
Osborn (J Wave)

Etiology 
• Hypothermia (below 320C / SOOF) 
• Normal variant 
• Hypercalcemia 
• Neurological
Normal variant • Hypercalcemia ... Neurological insult • Medications ... fibrillation Clinical ... Osborn #JWave #Diagnosis ... #Differential #Cardiology
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
of Drug-Induced Hyperkalemia ... • Increased EC ... shift of K (Succinylcholine ... #differential #diagnosis ... pharmacology #potassium #medications
Hyperkalemia on EKG
"Mild" Hyperkalemia
 • Peaked, narrow-based T Waves
 • Double counting of HR by EKG
Hyperkalemia on ... EKG "Mild" Hyperkalemia ... #EKG #ECG #electrocardiogram ... #cardiology #diagnosis ... #clinical
Osborn waves - positive deflections at the J point (negative in aVR and V1) with a
people with high hypercalcemia ... brain injury, medications ... #Cardiology #diagnosis ... Electrocardiogram #ECG ... #Clinical
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
Originates from single focus ... Hypomagnesemia Hypokalemia ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG ... #EKG
Hyperglycemia - Differential Diagnosis Algorithm
Diabetes Mellitus:
 • Impaired Glucose Tolerance
 • Type I Diabetes
 • Type
- Differential Diagnosis ... • Acromegaly Medications ... agonists • Others Critical ... Hyperglycemia (e.g ... #Algorithm #endocrinology
Pulmonary Embolism on POCUS Echocardiogram

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Pulmonary Embolism on POCUS ... Triage EKG (no prior ... Differential/diagnosis ... Echocardiogram #A4c #clinical ... #cardiology #McConnells
Malignant Adrenal Mass - Differential Diagnosis Algorithm
Suggestive of Malignancy: Inhomogenous Density, Delay in CT Contrast Washout
- Differential Diagnosis ... High Plasma E2 + Clinical ... Hypertension +/- Hypokalemia ... #Differential #Diagnosis ... #Algorithm #Endocrinology
Hypoglycemia - Differential Diagnosis Algorithm
Fasting Hypoglycemia:
 • Excess Insulin
 • Medications (e.g. Insulin Secretagogues, ß-Adrenergic Antagonists,
- Differential Diagnosis ... Excess Insulin • Medications ... Other Causes: • Critical ... #Differential #Diagnosis ... #Algorithm #endocrinology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
the pacemaker shifts ... Sinus #Arrhythmia #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram ... #variants #clinical