155 results
Deep T Wave Inversions - Differential
Normal variants 
  A. Juvenile T wave pattern
Juvenile T wave pattern ... Typical patterns ... Differential #Diagnosis #Causes ... #Cardiology #ECG ... #EKG #Electrocardiogram
There are two patterns of T-wave abnormality in Wellens’ syndrome:
-Type A = Biphasic, with initial positivity
There are two patterns ... negativity (25% of cases ... inverted (75% of cases ... Diagnosis #Cardiology #ECG ... #EKG #Wellens #
ST segment elevation in acute myocardial ischemia

ST segment elevations with straight (horizontal, upsloping or downsloping) or
less likely to be caused ... the underlying cause ... Diagnosis #Cardiology #ECG ... #EKG #STEMI #STElevation ... #Ischemic #Patterns
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... Differential Diagnosis Algorithm ... Polyuria scheme) e.g ... Hypernatremia #Nephrology ... #Causes
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Causes of Splenomegaly ... Differential Diagnosis Algorithm ... • Thrombus (e.g ... Myeloproliferative disorders (eg ... Differential #Diagnosis #Algorithm
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Differential Diagnosis Algorithm ... Toxic Damage (e.g ... Displacement (e.g ... Foreign Surface (e.g
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis Algorithm ... by Helbert Rondon ... #differential #algorithm ... #causes #nephrology
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
Common causes of ... vasoconstriction (e.g ... disease or drugs e.g ... AIN) • Drugs (e.g ... Differential #Diagnosis #nephrology
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 ... are caused by prerenal ... workup #diagnosis #nephrology
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Differential Diagnosis Algorithm ... PHANTOMS): • Pattern ... symptoms and signs (e.g ... CNS infection (e.g ... #neurology #PHANTOMS