54 results
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
polyneuropathy (e.g ... Hyperreflexia: • Hypocalcemia ... #differential # ... diagnosis #table ... #neurology
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Infiltrative disorders (e.g ... - Medications (e.g ... renal diseases (e.g ... #Diagnosis #Table ... #Causes
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
on ECG Mid ... Triage EKG (no prior ... Differential/diagnosis ... #Embolism #ECG ... #clinical #cardiology
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 ... Be able to recognize ... #ECG #EKG #Electrocardiogram ... #Clinical #Cardiology
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Malignancy (e.g ... CNS pathology (e.g ... pathology (e.g. ... #Diagnosis #Table ... #Causes #Sodium
Myocarditis - Diagnosis and Causes
 • Clinical presentation: Pseudo-acute coronary syndrome, Cardiac failure <3 rnonths, Cardiogenic
Clinical presentation ... Paraclinical assessment: EKG ... pericarditis • Rule out differential ... #Myocarditis #differential ... #cardiology #MRI
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
- Differential ... • Drugs • Pulmonary ... Malignancy True hypovolemia ... Uosm < 100 mmol/kg ... #Hyponatremia #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
- Differential ... • Drugs • Pulmonary ... Malignancy True hypovolemia ... Uosm < 100 mmol/kg ... #Hyponatremia #Nephrology
Vasopressors Table 
Rough properties by Target Receptor, Heart Rate/Inotropy, Systemic Vascular Resistance, Cardiac Output, Blood Pressure,
Vasopressors Table ... Blood Pressure, Pulmonary ... Resistance, Main Uses ... Book of Critical ... Vasopressors #Properties #Table
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
- Polycythemia Differential ... Polycythemia - Acquired Causes ... Hypoxia-driven: Cardiac/pulmonary ... Paraneoplastic (e.g ... Diagnosis #Algorithm #hematology