33 results
Hyperkalemia shortens repolarization; changes in the T wave provide the earliest clues to hyperpotassemia.
 - At
Hyperkalemia shortens ... prolonged PR and QT ... #Diagnosis #Hyperkalemia ... #EKG #ECG #Changes ... #Progression #Table
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
metastases, Infection (e.g ... uropathy, Metabolic causes ... (e.g., hypokalemia ... disease, Drugs (e.g ... #Diagnosis #Differential
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
- Differential Diagnosis ... Infiltrative disorders (e.g ... - Medications (e.g ... renal diseases (e.g ... #Table #Causes
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - Causes ... Hyporeflexia: • Hypercalcemia ... polyneuropathy (e.g ... #differential #diagnosis ... #table #neurology
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
Surgical devices, e.g ... Sepsis (→ 3-14) e.g ... malignant syndrome (e.g ... Phaeochromocytoma Neurologic ... #Checklist #Diagnosis
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
- Differential Diagnosis ... by Classification ... Medication side effect (e.g ... Medication side effect (e.g ... #Table #Causes
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... Liver Failure • Hypercalcemia ... Pulmonary Disease Neurologic ... Myasthenia Gravis Pharmacologic ... • Drug Abuse (e.g
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
and Differential Diagnosis ... with previously stable ... risk factors (eg ... hypertension (eg ... hypertension (eg
Cardiac Arrest - Guidelines for Crises in Anaesthesia

The probable cause is one or more of: something
The probable cause ... evaluating potential causes ... • Check ECG rhythm ... Hypovolaemia Hypo/hyperkalaemia ... Intraoperative #Checklist #Diagnosis
Intraoperative  Bradycardia - Guidelines for Crises in Anaesthesia
Bradycardia in theatre should not be treated as
Consider known drug causes ... (eg. remifentanil ... myocardial infarction, hyperkalaemia ... Anesthesiology #Anesthesia ... Intraoperative #Checklist #Diagnosis