40 results
Torsades de Pointes 
•Precipitated by drugs that prolong the QT interval 
•Class IA antidysrhythmics (procainamide, quinidine)
Precipitated by drugs ... hypomagnesemia, hypokalemia ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG ... #EKG
Osborn (J Wave)

Etiology 
• Hypothermia (below 320C / SOOF) 
• Normal variant 
• Hypercalcemia 
• Neurological
Normal variant • Hypercalcemia ... Neurological insult • Medications ... Osborn #JWave #Diagnosis ... #Differential #Cardiology ... #EKG #ECG #Hypothermia
Osborn waves - positive deflections at the J point (negative in aVR and V1) with a
hypercalcemia, ... This EKG was recorded ... #EKG #EmergencyMedicine ... #Cardiology #diagnosis ... Electrocardiogram #ECG
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
precipitated by drugs ... Hypomagnesemia Hypokalemia ... TorsadesDePointes #Diagnosis ... #Cardiology #ECG ... #EKG
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
Drugs associated ... with hypokalemia ... - Insulin (high ... #Medications #differential ... #diagnosis #nephrology
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
metastases, Infection (e.g ... Metabolic causes (e.g ... cell disease, Drugs ... (e.g., lithium, ... Treatment is aimed
Pericarditis can be seen on EKG with diffuse ST elevations without reciprocal changes along with diffuse
can be seen on EKG ... First line treatment ... Alternatively, high ... #Pericarditis #Cardiology ... #Diagnosis #Signs
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... phlebotomy High ... reactions Common Drugs ... Medications 2. ... #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Diagnosis Framework ... phlebotomy High ... reactions Common Drugs ... Medications 2. ... #nephrology
Bradycardia
1) First Steps: IV, O2, Monitors, ECG, Pads on patient, Crash Cart in room. Is patient
O2, Monitors, ECG ... Chest Pain • ECG ... Connect ECG Leads ... Patients DIE: Drugs ... #bradycardia #diagnosis